39DollarGlasses Blog

Our ability to see the world around us is nothing short of miraculous. The human eye is a complex and intricate organ that allows us to perceive the beauty of nature, the details of a painting, or the smile on a loved one's face. But have you ever wondered how our eyes work? What happens inside those orbs that enables us to see the world in all its glory? Let's dive into the fascinating science of vision and uncover the secrets of our incredible eyes.

## The Anatomy of the Eye

Before we delve into the science, it's essential to understand the basic anatomy of the eye. The human eye is a marvel of nature, composed of several intricate structures that work together seamlessly. Here are the key components:

__Cornea:__ The clear, outermost part of the eye that acts as a protective cover and helps focus light.

__Iris:__ The colored part of the eye that controls the size of the pupil, regulating the amount of light that enters.

__Pupil:__ The black circular opening in the center of the iris, which allows light to enter the eye.

__Lens:__ Located behind the iris, the lens focuses incoming light onto the retina.

__Retina:__ The innermost layer of the eye, the retina contains millions of photoreceptor cells (rods and cones) that capture light and send signals to the brain.

__Optic Nerve:__ This bundle of nerve fibers carries visual information from the retina to the brain for processing.

## The Process of Vision

Now that we know the eye's basic structure, let's explore how it works to create the sensation of sight. The process can be summarized in the following steps:

__Light enters the eye:__ When we look at an object, light from that object enters our eye through the cornea and passes through the pupil.

__Focusing:__ The lens of the eye adjusts its shape to focus the incoming light onto the retina, ensuring a clear image.

__Photoreceptor cells:__ The retina contains two types of photoreceptor cells—rods and cones. Rods are responsible for low-light vision, while cones detect color and detail. These cells convert light into electrical signals.

__Signal transmission:__ The electrical signals generated by photoreceptor cells are sent via the optic nerve to the brain.

__Brain processing:__ The brain interprets these signals and assembles them into the images we perceive. It also processes color, depth, and motion to create a complete visual experience.

__Perception:__ Finally, we perceive the object as we see it, thanks to the complex neural processing in the brain.

## Taking Care of Your Vision

Understanding how our eyes work also highlights the importance of taking care of them. Here are some tips for maintaining optimal eye health:

__Regular eye exams:__ Schedule routine eye check-ups to detect any vision problems or eye diseases early.

__Protect your eyes from UV rays:__ Wear sunglasses that block harmful UV rays to prevent eye damage.

__Follow a balanced diet:__ A diet rich in vitamins and nutrients, especially vitamin A, supports eye health.

__Stay hydrated:__ Proper hydration is essential for maintaining the moisture of your eyes.

__Take screen breaks:__ Reduce digital eye strain by taking regular breaks from screens and using the 20-20-20 rule (every 20 minutes, look at something 20 feet away for at least 20 seconds).

__Quit smoking:__ Smoking can increase the risk of eye diseases like macular degeneration and cataracts.

## Explore Quality Eyewear at 39DollarGlasses

As we've delved into the intricate science of vision and the importance of caring for our eyes, it's worth noting that the right eyewear can make a significant difference in your visual experience. At 39DollarGlasses.com, you can find a wide selection of high-quality eyeglasses and sunglasses that not only provide clear vision but also protect your eyes from harmful UV rays. Invest in your eye health and enhance your vision with stylish and affordable eyewear options from [39DollarGlasses](https://www.39dollarglasses.com/).

The science of vision is a remarkable journey into the complexities of our eyes and how they enable us to perceive the world. By understanding the intricate mechanisms behind our vision and following good eye care practices, we can continue to enjoy the beauty of the world around us for years to come.

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The Science of Vision: How Do Our Eyes Work?

Most people believe lens tints for sunglasses serve the same purpose: to protect your eyes from the sun. While this may be true in part, did you know that certain color tints in glasses can actually enhance visual clarity in different environments? Similarly, some anti-reflective coatings can offer more protection and comfort under certain conditions. This article will explore tinted lens glasses, anti-reflective coating, and the benefits you may experience by wearing them. 

### Tinted Lens for Glasses

__Grey Tint__
Sunglasses with a grey lens tint are great for those who spend a lot of time outdoors. When viewing the world through a gray lens, you can enjoy crisp, natural colors, reduced glare, and increased visibility, even on cloudy days. Grey-tinted lenses are suitable for a variety of environments such as driving, playing sports, and enjoying outdoor activities. However, they may not be the best option for night driving.

__Brown Tint__
Brown or amber lens tint for glasses offers similar benefits as grey-tinted lenses do, but they provide improved visibility and comfort in cloudy environments. Brown-tinted glasses can help reduce glare, enhance color contrast, and improve depth perception. As an added benefit, brown-tinted lenses can help filter out blue light throughout the day for a boost in sleep quality.   

__Green Tint__
Green-tinted lens glasses can reduce glare, prevent eye strain, improve visibility, and even enhance color contrast by filtering out some blue light. For this reason, wearing green lens tint for glasses is a fashionable and practical tint color choice for bright, sunny days. They’re especially useful for people who like to golf or go fishing, or for those who spend time outdoors in bright light environments.  

__Teal Tint__
While teal-colored tint glasses might provide some of the same benefits as green or blue-tinted lenses, they mostly function as a popular color for fashion eyewear. However, wearing teal-colored glasses with an anti-reflective coating can still help shield your eyes from reflective glare.

__Blue Tint__
Wearing glasses with a blue lens tint can provide a variety of benefits. Blue-tinted lenses enhance visual clarity by increasing color perception and contrast. They allow you to view objects more clearly while offering reflective glare protection, especially in snowy, foggy, or misty environments.

__Purple Tint__
Purple lenses, while often worn for fashion, can provide a surprising number of benefits. Purple lenses are useful for protecting against reflective glare and increasing color contrast. However, purple lenses are also effective at reducing shades of green and blue while enhancing the color orange, which makes them incredibly useful for hunting or target shooting. 

__Rose Tint__
Rose-colored tinted glasses are just as fashionable as they are practical! They provide comfort, visual clarity, and protection from glare, while also filtering out some blue light. Plus, red or rose-colored glasses help increase depth perception and contrast for enhanced visual detail making them perfect for a variety of sports and outdoor activities. 

__Orange Tint__
Orange glasses are commonly worn for both practical and fashionable purposes. Some types of precision-tinted orange glasses, like those offered by 39DollarGlasses, can help filter out most blue light waves during the day to increase sleep quality at night. Orange-tinted lenses are also useful for increasing visibility and contrast in low-light conditions.  

__Yellow Tint__
Yellow lenses in glasses are ideal for low-light conditions, like on overcast days or while driving at night. The yellow-tinted lens enhances visual contrast while defending against reflective glare. They may be especially useful for those who enjoy outdoor sports that require a sharp eye, such as hunting and fishing.

__Anti-Reflective Lens Coatings__

Anti-reflective coating — also called AR or no-glare coating — is a special film that is expertly applied to either one or both sides of your lenses. This special coating is designed to shield your eyes by blocking harmful light and reflective glare that can damage vision over time. 

In contrast, wearing a pair of sunglasses with no AR or UV protection can allow too much light to enter the eyes which can increase your risk of developing a variety of damaging eye conditions.  

When deciding which anti-reflective glasses are right for you, it’s important to know that not all AR coatings offer the exact same kind of protection. Depending on your lifestyle or occupation, you might benefit from more specialized types of anti-reflective coating. 

Whether you need anti-reflective glasses for work, driving, boating, or staying active outdoors, 39DollarGlasses has the perfect AR coating for you.  Review our selection of anti-reflective options to pick the best AR coating for your lifestyle:

- [Crizal Prevencia](https://www.39dollarglasses.com/lens/prevencia)
- [Ultimate View](https://www.39dollarglasses.com/lens/ultimateview-anti-reflective-coating)
- [Blue495](https://www.39dollarglasses.com/lens/blue495)

### Shop our Variety of Lens Tints & Anti-Reflective Coatings

Choosing the right tint color for your eyewear can provide a range of benefits for different lifestyles, occupations, and activities, in both indoor and outdoor settings. Additionally, selecting a lens tint with an anti-glare coating offers 100% UV and glare protection to further protect your eyes from prolonged sun damage. 

At [39DollarGlasses](https://www.39dollarglasses.com/), all of our [glasses](https://www.39dollarglasses.com/eyeglasses) and [sunglasses](https://www.39dollarglasses.com/sunglasses) are made to order in our trusted, doctor-owned, US-based lab. Additionally, our anti-glare lenses are crafted using high-quality, impact-proof, and scratch-resistant materials which makes them perfect for everyday wear. 

Select your favorites from our wide collection of designer-quality frames, lenses, and AR-coating options, with complete pairs starting at just $39!   


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Understanding Tints & Coatings

In today's diverse and dynamic workplace, eyeglasses are not just a vision-correcting accessory; they are a statement of personal style and professionalism. The frames you choose can say a lot about your personality, but they can also impact your comfort and performance in your specific profession. In this blog post, we'll explore the concept of "Eyeglasses for Different Professions," helping you match frames to your workplace, and make a lasting impression.

1. Corporate Chic: Sleek and Minimalist Frames

Corporate professionals, lawyers, bankers, and executives often require a sophisticated look. Sleek and minimalist frames in classic colors like black, brown, or tortoiseshell are ideal choices. These frames convey confidence and elegance, making them a perfect match for the corporate world.

2. Creative Careers: Expressive and Unique Styles

Designers, artists, and creative individuals have the freedom to express themselves through their eyewear. Bold, unique frames with vibrant colors or unconventional shapes can set you apart and showcase your creativity.

3. Medical Marvels: Practical and Hygienic Eyewear

For healthcare workers, such as doctors and nurses, practicality and hygiene are key. Lightweight, easy-to-clean frames with a secure fit are crucial for comfort during long shifts, while still looking professional.

4. Tech-Savvy Types: Digital Eye Strain Solutions

In the tech industry, digital eye strain is a common concern. Blue light-blocking or computer glasses can reduce eye fatigue, improve productivity, and keep your eyes in top shape.

5. Academic Excellence: Intellectual and Timeless Designs

Professors and educators often prefer timeless, intellectual looks. Classic designs like round, rectangular, or horn-rimmed frames can convey wisdom and authority in the academic setting.

6. Outdoors and Adventure: Durable and Sporty Eyewear

Professionals who work outdoors, such as athletes, park rangers, or nature guides, need durable and sporty eyewear. Look for frames with impact resistance, UV protection, and secure fits.

7. Fashion Forward: Trendy Eyeglasses for Retail

If you work in retail or the fashion industry, staying on-trend is essential. Choose eyeglasses with the latest designs and popular colors to make a fashionable statement.

8. Construction and Manufacturing: Safety and Functionality

In industries like construction and manufacturing, safety is paramount. Invest in safety glasses with impact-resistant lenses to protect your eyes from potential hazards.

9. Culinary Careers: Comfortable and Hygienic Choices

Chefs and culinary professionals require comfort and hygiene in the kitchen. Opt for lightweight, easy-to-clean frames that won't interfere with your culinary skills.

10. Public Service: Professional and Approachable Look

Professionals working in public service, such as police officers or firefighters, should aim for a balance between professionalism and approachability. Choose frames that create a welcoming presence while maintaining a professional appearance.

Remember, the right pair of eyeglasses can make a significant difference in your professional life. By matching your frames to your workplace, you can boost your confidence and create a lasting impression in your chosen field. Whether you're in a corporate office, a creative studio, or the great outdoors, there's a perfect pair of eyeglasses waiting to enhance your professional image. Get your next pair of professional frame for an affordable cost at [39 Dollar Glasses](https://www.39dollarglasses.com/)! Our low costs allows you to purchase multiple pairs of frames for the workplace! 

Choosing the Right Eyeglasses for Your Profession: A Guide to Matching Frames to Your Workplace

In the world of fashion, eyewear has undergone a remarkable transformation over the years. What was once a mere necessity for vision correction has evolved into a trendy fashion statement. The journey of eyewear fashion is a fascinating one, marked by innovation, iconic moments, and changing perceptions. We'll take a closer look at "The Evolution of Eyewear Fashion: From Necessity to Trend."

__A Necessity for Vision Correction__

Eyewear, in its earliest form, was primarily a tool for correcting vision impairments. The first known mention of eyeglasses dates back to the 13th century, with primitive versions made of simple glass lenses mounted in wooden or bone frames. These early eyeglasses were far from the stylish accessories we know today, but they served a crucial purpose in helping people see more clearly.

__The Birth of Fashion Eyewear__

As time went on, eyewear became more stylish and began to reflect changing fashion trends. In the 18th century, eyeglasses with decorative frames and intricate designs emerged, marking the beginning of fashion eyewear. These spectacles were no longer just functional; they were now a symbol of status and refinement.

__Hollywood Influence and Iconic Moments__

One of the most significant turning points in eyewear fashion was the influence of Hollywood in the early 20th century. Celebrities like Audrey Hepburn, James Dean, and Marilyn Monroe popularized various styles of eyeglasses and sunglasses. Iconic moments in film and photography made eyewear an essential part of a stylish ensemble, and trends like cat-eye and wayfarer frames became synonymous with chic, timeless fashion.

__The 80s and 90s: Bold Statements__

The 1980s and 1990s witnessed the rise of bold and daring eyewear styles. Oversized frames, neon colors, and unconventional shapes dominated the fashion scene, exemplified by the likes of Madonna and Elton John. These decades pushed the boundaries of eyewear fashion and celebrated individuality.

__21st Century: A Fusion of Function and Fashion__

In the 21st century, eyewear has continued to evolve. Modern technology has allowed for thinner, lighter, and more durable materials. Additionally, eyeglasses and sunglasses have become integral components of personal style. From the classic aviators and tortoiseshell frames to the latest innovations in smart glasses, eyewear has diversified to suit a wide range of preferences and needs.

__Eyewear as a Statement Accessory__

Today, eyewear serves not only as a functional necessity but also as a statement accessory. People choose their eyeglasses and sunglasses to complement their outfits, express their personalities, and make a fashion statement. Most eyewear brands now offer a wide variety of styles to cater to diverse tastes.

__Trends to Watch__

Eyewear trends continue to evolve with each passing season. Oversized frames, vintage-inspired designs, and sustainable materials are currently in vogue. Clear lenses, quirky shapes, and bold colors are also making a strong comeback, giving wearers more opportunities to showcase their unique style.

The evolution of eyewear fashion is a testament to the ever-changing world of style and self-expression. From a practical solution for vision correction to a defining element of personal fashion, eyewear has come a long way. As fashion continues to evolve, so will eyewear, ensuring that it remains a relevant and captivating aspect of our lives.

Whether you wear glasses for vision correction or simply to make a fashion statement, remember that your eyewear choice can say a lot about your personality and style. So, embrace the evolution of eyewear fashion and choose frames that make you feel confident and express who you are. [39 Dollar Glasses](https://www.39dollarglasses.com/) has a wide variety of frames for you to choose your next look from! 

eyewear fashion

The Evolution of Eyewear Fashion: From Necessity to Trend

Eyeglasses have come a long way from their humble beginnings as a mere tool for vision correction. Today, they are fashion statements, technological marvels, and essential accessories for millions of people worldwide. But one significant change over the years has been the shift away from glass lenses. In this blog post, we'll delve into the reasons why companies moved away from glass lenses for eyeglasses and how modern materials have revolutionized the eyewear industry.

__The Age of Glass Lenses__
Historically, eyeglasses were predominantly made with glass lenses. While glass had several advantages, including optical clarity and scratch resistance, it had its fair share of drawbacks.

__1. Weight:__ Glass lenses are notably heavier than their modern counterparts. This extra weight could lead to discomfort and marks on the nose bridge, making them less appealing for all-day wear.

__2. Fragility:__ Glass lenses are fragile and prone to shattering on impact, posing safety concerns. The risk of injury from shattered glass made them less suitable for active individuals.

__3. Limited Design Options:__ Crafting glass lenses into different shapes and sizes was challenging, limiting design choices and customizations for wearers.

__The Transition to Modern Materials__
The eyeglass industry recognized the need for more comfortable, durable, and customizable options. This realization led to the adoption of modern lens materials such as plastic, polycarbonate, and high-index materials.

__1. Plastic Lenses:__ The introduction of plastic lenses, specifically CR-39, revolutionized the eyewear industry. Plastic lenses are significantly lighter than glass, offering enhanced comfort. Moreover, plastic lenses are less likely to shatter on impact, making them a safer choice.

__2. Polycarbonate Lenses:__ Polycarbonate lenses brought a new level of impact resistance to eyeglasses. They are not only lightweight but also highly durable, making them ideal for active individuals and children.

__3. High-Index Materials:__ High-index materials are thinner and lighter than both glass and plastic lenses, allowing for sleeker, more stylish eyewear. They are especially beneficial for individuals with high prescriptions, reducing lens thickness and the "bug-eye" effect.

__Benefits of Modern Materials__
The transition away from glass lenses for eyeglasses has brought several benefits to consumers:

__1. Comfort:__ Modern materials are significantly lighter, ensuring all-day comfort for wearers.

__2. Safety:__ Improved impact resistance makes eyeglasses safer, reducing the risk of injury in case of accidents.

__3. Style:__ The use of high-index materials and advanced manufacturing techniques allows for more stylish and customized eyeglass designs.

__4. Customization:__ Modern materials can be easily shaped and customized, catering to individual preferences and requirements.

The shift away from glass lenses for eyeglasses has been driven by the pursuit of comfort, safety, and style. While glass lenses had their merits, modern materials have emerged as the go-to choice for eyewear manufacturers, providing consumers with more durable, lightweight, and fashionable options. As the eyeglass industry continues to evolve, we can expect even more innovations in materials and designs that enhance the eyewear experience for everyone.

Why Companies Stopped Using Glass Lenses for Eyeglasses: A Look at Modern Materials

Heterochromia is a condition in which a person has two different eye colors. Depending on the type of heterochromia, each eye may be a completely different color, such as one blue eye and one brown eye, or it could look like a distinct area of color within the same iris, such as a blue section surrounded by brown. These color differences are typically harmless and visible at birth or soon after. However, changes in eye color that develop later in life could be the result of injuries or certain medical conditions.

Common variants of heterochromia include iridum and iridis. Although they’re similar, there is a key difference between the two. In cases of heterochromia iridum, one eye is a totally different color than the other. In cases of heterochromia iridis, one eye has a section that’s differently colored from the rest of the iris. 

Heterochromia is usually caused by a harmless genetic mutation, meaning a person will have visibly different eye colors at birth or soon after and it won’t cause any problems. However, there are uncommon medical conditions that can cause eye color variation at birth or later in life, such as congenital Horner syndrome, central retinal vein occlusion, and ocular melanosis. These conditions are associated with other symptoms, so if you’ve always had different eye colors and your doctor isn’t concerned, there’s no need to worry about an underlying health issue.

There are three types of heterochromia, including:

- __Complete heterochromia:__ Also called heterochromia iridum, this type means one whole iris is a different color from the other.
![alonso-reyes--bsSaTMZua4-unsplash](//images.ctfassets.net/14wnz8ylwkwd/ytCtWJ5QrkkjiS5YnGyB2/c047c9ba86b143aa28cc15194debba15/alonso-reyes--bsSaTMZua4-unsplash.jpg)

- __Sectoral heterochromia:__ This type may also be called partial heterochromia or heterochromia iridis, meaning one iris has a differently colored section. Specifically, sectoral heterochromia looks like a continuous patch of color, such as a clearly defined blue section in a brown iris.
![istockphoto-1639565240-612x612](//images.ctfassets.net/14wnz8ylwkwd/3JbKtaO7AGMMfKxDODouHo/10f2041395d786a02be99cd201a28897/istockphoto-1639565240-612x612.jpg)

- __Central heterochromia:__ In this type, one iris has a distinct ring of color. For example, it may look like a green circle surrounding the pupil.
![istockphoto-1458541958-612x612](//images.ctfassets.net/14wnz8ylwkwd/2ArAsIGwrQSx4md4fnuHbj/22fce79971521603ae7b985b9eb5e015/istockphoto-1458541958-612x612.jpg)

If you have heterochromia, you might be wondering if the condition needs treatment. In most cases, nope! [39DollarGlasses](https://www.39dollarglasses.com/) was founded by optometrists, so we can tell you that heterochromia is usually harmless. Unless your doctor says otherwise, it doesn’t need any treatment and it doesn’t impact the kind of glasses you can wear. So if you need prescription glasses, check out our wide selection of frames and styles. [Shop our catalog and order today](https://www.39dollarglasses.com/eyeglasses)!


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What is Heterochromia?

Hooray for Halloween, the ultimate time to unleash your inner character and have a blast! But hey, what if you rock eyeglasses? No worries, we've got your back! In this fun blog post, we're diving into five famous characters that you can effortlessly dress up as while wearing your glasses. Get ready to make heads turn and steal the show at your Halloween bash with these iconic costume ideas that celebrate both style and vision! 🎃👓🎉

### Ted Lasso
![10](//images.ctfassets.net/14wnz8ylwkwd/5O3wkxKNMENZT0CvszBs7b/b328b489bb3af2940a24b2bce8f8b9c1/10.png)
Ted Lasso is a charismatic and optimistic character who brings a breath of fresh air to the world of coaching. With his folksy charm and unwavering belief in the power of kindness, he wins over both his team and viewers alike! If you want to channel Ted's winning style, we recommend our Aviator 26 frame in a stunning gold shade with a warm brown lens tint. It's the perfect accessory to embrace your inner Ted and spread positivity wherever you go! 🌟😄🕶️

### Roz | Monsters, Inc.
![COSTUME SERIES - carl (1)](//images.ctfassets.net/14wnz8ylwkwd/3oi2pddQQcK3hf4M1HwRb4/1f88eb92e36fb9e81b9d28cd0a942e66/COSTUME_SERIES_-_carl__1_.png)
Roz is a no-nonsense and stern character who serves as the administrative assistant at the company. She is mostly known for her monotone voice and deadpan humor. And when it comes to style, Roz rocks her signature cat-eye frames like nobody else. For a touch of Roz's fierce vibes, we recommend checking out our sleek Sloane or Natalia frames in classic black. They'll add that extra touch of sophistication to your look! 😎🐱🖤

### Rip Wheeler | Yellowstone
![11](//images.ctfassets.net/14wnz8ylwkwd/LTDqW6vH38EnFjzuPoiWM/5083288435a61e90807ea6f1092a0ca3/11.png)
The ultimate loyal ranch hand and enforcer for the Dutton family in the thrilling TV show Yellowstone! Portrayed by the talented Cole Hauser, Rip rocks a rugged exterior and oozes fierce loyalty. With his unwavering dedication to protecting the Yellowstone Ranch, Rip becomes an absolute powerhouse in the show's captivating storyline. Nail this costume with our stylish Woodstock frame in gold with a gray lens tint! 🤠🌲🔥

### Barbie
![12](//images.ctfassets.net/14wnz8ylwkwd/6kuBFCGrewOogAGdPzWH1P/3a19c8843f6473afe94ab739333902e1/12.png)
Barbie, the fabulous doll character, shines as the superstar of her very own movie franchise! With her trendy style, vibrant personality, and an infectious zest for life, Barbie is a true icon. Our stunning Entourage, Bel Air, or Amelle frames in a fabulous pink shade with a chic gray lens tint are the perfect accessory to channel your inner Barbie and rock that superstar look! 🌟💖✨

### Diane Nguyen | Bojack Horseman
![COSTUME SERIES - carl (2)](//images.ctfassets.net/14wnz8ylwkwd/1cZsGJ7Ldans6MighK5bQX/d64a8b5d70b733215421e74a6fd5db04/COSTUME_SERIES_-_carl__2_.png)
Diane Nguyen, brought to life by the amazing Alison Brie, is an absolute powerhouse of a character in the animated series Bojack Horseman! As a talented writer and passionate social justice advocate, Diane dazzles with her brilliant mind, quick wit, and unwavering moral compass. Emulating Diane's incredible essence doesn't have to be complicated at all! We've got the perfect gunmetal frames for you: Leonardo, Hamilton, or Dartmouth. Get ready to rock your style with a touch of Diane Nguyen's fierce energy! 🔥👓


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Halloween Costume Ideas 2023

Transitions are a popular lens option — but what are they, exactly? And would they be the right lens time for you? Here’s everything you need to know about transition lenses.

Put simply, transitions are specialized lenses that switch from clear to shaded when you go outside. The seamless transition is super convenient — no more swapping between sunglasses and prescription glasses. Transitions are an all-in-one solution.

Transition lenses work thanks to some incredible science and engineering. Each lens is made of countless microscopic molecules that react to ultraviolet light (UV), a type of light the sun produces. UV is most intense outdoors, so those tiny molecules activate and change when you step outside. These changes allow each molecule to absorb more light, making the lenses darken and turn into sunglasses after about 30 seconds of UV exposure. Back inside, the molecules return to their original form, making the lenses clear again.

A lot of people love their transition lenses, but there are some pros and cons to consider. Here’s what you need to know before buying a pair.

__Pros__

- __Convenient.__ Switching between prescription glasses and sunglasses can be a bit annoying. Transition lenses are more convenient – just go outside and you’re instantly wearing sunglasses.
- __Cost-effective.__ Without transitions, you’ll need a separate pair of sunglasses. Transition lenses can be a more cost-effective solution, giving you sunglasses and regular glasses all in one pair.
- __Good for eye health.__ Sunlight can cause vision problems like cataracts, but transition lenses protect your eyes by blocking UV.

__Cons__

- __Ineffective while driving.__ If you need sunglasses while driving, transition lenses may not work. Windshields typically block UV, making transitions stay clear in cars.
- __Impacted by your environment.__ Indoor spaces with a lot of windows and sunlight might make transition lenses darken slightly, even if you don’t want them to. Very cold weather can also make the lenses darker than expected while outdoors.

Anyone who wears glasses can benefit from transition lenses. You won’t need to buy a separate pair of prescription sunglasses, and you’ll always be protected from the damaging effects of UV. That’s a big deal if you’re outside a lot, but it’s also useful for occasional trips outdoors. Ultimately, transitions adapt to your lifestyle so you have sunglasses right when you need them.

Plus, transitions are more versatile than standard sunglasses. Regular sunglasses have the same tint shade no matter what, which might be too light or dark depending on the situation. On the other hand, transition lenses automatically adapt to the ambient lighting, giving you the perfect tint for any environment.

Transition lenses may also help if you experience photophobia (also called light sensitivity). Sunlight may trigger or worsen migraines and headaches in some people, but transition lenses can filter irritating light waves to prevent pain.

Transition lenses are a convenient way to improve your glasses and protect your vision from damaging UV. If you’re ready to upgrade, check out the latest styles at 39DollarGlasses. As a doctor-owned company, we focus on building affordable frames and lenses for everyone. [Shop our transition lenses](https://www.39dollarglasses.com/lens/transitions) and get doctor-approved glasses today!


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How do Transitions Lenses Work & Should You Get Them?

Reusable contacts are super convenient, but they require a little more maintenance than glasses. Unless your doctor directs you otherwise, you should remove and clean your contacts every night. Some styles require less frequent cleanings, but regardless, proper care is essential for avoiding eye infections. Here’s what you need to know about safely cleaning your contacts.

__Wash Your Hands__

Starting with clean hands is key. Oils, dead skin, and bacteria can easily rub off on your lenses, so thoroughly wash your hands with soap and hot water before removing the contacts from your eyes. Don’t use moisturizing soaps — they can leave a cloudy film on your lenses. Stick with standard hand soap or use antibacterial soap if available.

__Use Clean Contact Solution__

Contacts should always be stored and cleaned with fresh solution — reusing contact solution can lead to bacteria growth and eye infections. Refresh the solution in your storage case before you begin cleaning the lenses. You’ll place the lenses in the fresh solution once they’re clean.

__Rub the Contact Lenses in Solution__

Now it’s time to start cleaning. Remove one contact and place it on your palm. Cup your hand slightly and pour a few drops of cleaning solution onto the lens, then use one finger to gently rub the lens in circles. You’re done cleaning after about 15 seconds, then it’s time to rinse.

__Rinse both Lenses__

Next, pour a little more solution to rinse the lens. Don’t skip this step — rinsing removes any grime or oils you loosened while rubbing the contact. Not rinsing leaves residue on the lens, which can contaminate the solution in your storage case.

__Place Both Lenses in the Case__

Now you can safely store your lenses. Remember that each eye has a custom lens, so be sure to place the contacts in the proper chamber — they’re typically labeled R and L for the right and left eye. Cleaning your lenses one at a time can help you keep track of which is which.

__Looking for Contact Lenses?__

[39DollarGlasses](https://www.39dollarglasses.com/) was founded by doctors, and we’re always looking for ways to make eye health care easier. That’s why we’re partners with [Online Contacts](https://www.onlinecontacts.com/) — the best source for contact lenses. Online Contacts has a whole range of contacts for everyone, from daily disposables to reusable lenses. Shop the catalog and get new contacts shipped straight to your door!


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How to Clean Your Contacts

As a caring parent, it's natural to be concerned about your child's development, and vision plays a crucial role in their health. Identifying early signs of potential vision issues can make a significant difference in their comfort and well-being. Let's explore five common signs your toddler needs glasses.  

__1) Squinting__
Squinting, often observed in toddlers, can be an early indicator of possible vision issues. This subtle yet significant sign might suggest that your child is trying to adjust for blurry vision. If you observe this behavior regularly, it may be one of many signs your toddler needs glasses. 

__2) Tilting Head or Covering Eye__
If you notice your toddler tilting their head or covering one eye while looking at objects, it could be due to a misalignment in their eyesight or “amblyopia” (also known as “lazy eye”), which is very common in children. This behavior might be their way of adjusting their angle of vision to achieve better clarity. Fortunately, glasses may be able to correct the issue and help your child see clearly.

__3) Sitting Too Close__
Keep an eye out for this habit during media time as one of the potential signs your toddler needs glasses. If your toddler is consistently sitting too close to the TV or holding objects, like an iPad or phone, close to their face while watching, they could be struggling with their vision. Sitting up close may be their way of compensating for blurry vision or nearsightedness. 

__4) Complaining of Headaches__
Unexplained headaches in toddlers could be linked to visual strain caused by uncorrected vision issues. If your child frequently complains of headaches, it may be time to consider a professional eye exam. Glasses could help your toddler see more clearly and get relief.

__5) Difficulty Concentrating__
Vision problems can even impact a toddler's ability to concentrate. While a short attention span could be linked to many factors, it can be one of the signs your toddler needs glasses. If you notice your child struggling to focus or pay attention, keep in mind that it could be related to their vision.

It's important to note that if any of these signs persist through childhood, they can also be signs your kid needs glasses as well. By staying vigilant and seeking professional guidance, you can make sure your child's visual needs are met, setting them on the path to a clearer and more focused future.

__Shop Our Affordable Glasses for Kids__
Recognizing the signs of potential vision problems in your toddler can make an essential difference in their development. Thankfully, [39DollarGlasses.com](https://www.39dollarglasses.com/) was founded by eye doctors and is here to help! We offer a wide selection of affordable glasses and lenses for toddlers and kids. Take advantage of our 100% Worry-Free Guarantee to ensure you find the perfect pair of glasses for your toddler. Return their eyeglasses for a one-time exchange at no cost or full store credit for up to 90 days after delivery, including FREE return shipping!


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signs your toddler needs glasses

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signs your kid needs glasses 

5 Signs your Toddler Needs Glasses

As the autumn breeze begins and leaves start to fall, it's time to bid farewell to summer and welcome the new season with a fresh outlook – and a stylish pair of glasses, of course! Embrace the change with a fresh array of eyewear trends from 39dollarglasses.com that will redefine your style this fall.  

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A fall favorite, tortoise shell glasses emerge as a prominent and sought-after eyewear trend. The allure of this classic pattern lies in its versatile appeal, complementing various face shapes and skin tones with ease. From round frames that evoke a retro vibe to modern square and cat-eye styles, [tortoiseshell frames](https://www.39dollarglasses.com/eyeglasses/tortoise) offer a wide range of options to suit diverse fashion preferences.

Fun Fall Colors

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Embrace the enchantment of rich seasonal colors this fall! Frames adorned with combinations of complementary or contrasting colors add an interesting twist to your everyday eyewear. Experiment with earthy greens, warm browns, or fiery reds to amplify the essence of autumn while ensuring optimal eye protection. Whether on the frame bridge or the temple arms, the rich hues add depth and visual interest to your glasses, setting you apart from the crowd. 

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With clean lines and a structured silhouette, square frames make a powerful statement without seeming severe. Whether you opt for oversized [square frames](https://www.39dollarglasses.com/eyeglasses/square) for a daring edge or prefer smaller square shapes for a subtle yet chic appearance, these frames are effortlessly on-trend for this season and beyond. 

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[Rimless glasses](https://www.39dollarglasses.com/eyeglasses/rimless) offer more than just a clean and unobtrusive look. Their versatility makes them blend in with a variety of style preferences while still standing out. A favorite for anyone who has to be in front of a screen all day, their lightweight design will make you forget you're wearing glasses! For a customizable look, select from gold, silver, or gunmetal accents for the ultimate balance of form and function. 

As a leading destination for high-quality and affordable eyewear, [39dollarglasses.com](https://www.39dollarglasses.com/) offers a wide selection of trendy frames that will elevate your 2023 fall fashion game without breaking the bank. With free shipping and outstanding customer service, shopping for glasses has never been easier. Learn more about our 100% Worry-Free Guarantee, and get your fall eyewear game on, today! 


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2023 Fall Eyewear Trends

As we journey through life, our bodies inevitably undergo a series of changes. One of the most significant changes we experience as we age is in our vision. Our eyes, like the rest of our bodies, are not immune to the passage of time. Understanding the vision changes that come with aging and learning how to manage them can greatly improve our overall quality of life. In this blog post, we'll explore the common vision changes that occur as you age and provide practical tips on how to manage them effectively.

## Common Vision Changes with Age

__Presbyopia:__
One of the earliest and most common vision changes is presbyopia. This condition typically starts around age 40 and results in difficulty focusing on objects up close. You might notice yourself holding books or screens farther away to read comfortably. To manage presbyopia, reading glasses or bifocals are often prescribed by an optometrist.

__Cataracts:__
Cataracts are a clouding of the eye's natural lens, which can cause blurry vision and glare, especially when exposed to bright lights. This condition becomes more common as you age, and cataract surgery may be necessary to restore clear vision.

__Age-Related Macular Degeneration (AMD):__
AMD is a leading cause of severe vision loss among adults over 50. It affects the macula, the part of the retina responsible for sharp central vision. AMD can result in blurriness, distortion, or blind spots in your central vision. Early detection through regular eye exams is crucial, and treatments like anti-VEGF injections can help slow its progression.

__Glaucoma:__
Glaucoma is a group of eye conditions that can damage the optic nerve, leading to gradual vision loss. It often develops without noticeable symptoms until it reaches an advanced stage. Regular eye exams can help detect glaucoma early, and treatments like eye drops or surgery can help manage it.

__Dry Eyes:__
Dry eyes become more prevalent as you age due to reduced tear production. Symptoms include itching, burning, and a gritty feeling in the eyes. Artificial tears and lifestyle changes, like staying hydrated and avoiding smoke or dry environments, can help alleviate dry eye symptoms.

__Floaters and Flashes:__
As you age, you may notice more floaters (small specks or cobweb-like shapes) and occasional flashes of light in your vision. While these are usually harmless, sudden increases in floaters and flashes may indicate a retinal tear or detachment, requiring immediate attention from an eye specialist.

## How to Manage Age-Related Vision Changes

__Regular Eye Exams:__
The importance of routine eye exams cannot be overstated. Regular check-ups with an optometrist or ophthalmologist can help detect vision changes early and allow for timely intervention.

__Maintain a Healthy Lifestyle:__
Eating a balanced diet rich in antioxidants and omega-3 fatty acids, staying physically active, and managing chronic health conditions like diabetes can support your eye health.

__Protect Your Eyes:__
Wearing sunglasses with UV protection when outdoors and safety glasses when engaging in potentially hazardous activities can help prevent eye injuries and slow the progression of certain eye conditions.

__Quit Smoking:__
Smoking is a significant risk factor for several eye conditions, including cataracts and AMD. Quitting smoking can improve your overall eye health.

__Use Proper Lighting:__
Ensure well-lit areas for reading and working to reduce eye strain. Adjustable task lighting and glare reduction techniques can be helpful.

__Follow Your Doctor's Recommendations:__
If you are diagnosed with an eye condition, follow your doctor's advice closely. This may include taking prescribed medications, undergoing surgical procedures, or making necessary lifestyle changes.

As you age, changes in your vision are a natural part of the process. However, with regular eye exams, a healthy lifestyle, and proper management of age-related eye conditions, you can continue to enjoy good vision well into your senior years. Don't hesitate to seek professional guidance if you notice any changes in your vision, as early intervention can make a significant difference in preserving your eye health and quality of life. Remember, your eyes are precious, and taking care of them is a lifelong commitment.

eye aging

vision changes

Vision Changes as You Age: What to Expect and How to Manage It