Sunglass Lenses

What is crazing of your eyeglass lenses? Crazing is a web of tiny cracks that can appear on the lenses. What can you do about it? Read on to find out.

Use this handy sunglass lens tint guide to help you determine what lens tint you need for your particular sport or activity.

Polarized sunglasses are anti-reflective, meaning they can help the wearer see clearly despite glare, such as when driving or boating.

Do sunglasses filter blue light? Learn how sunglasses provide more than UV protection and what tint is best for blue light filtering.

Are polarized sunglasses really that different from regular sunglasses? Find out how these polarized lenses can be used to your advantage.

Learn how high-index lenses can change your thick glasses to thin glasses. Pros and cons, including costs.

Adjustable glasses and adjustable reading glasses may offer a large, clear field of view at different distances with the turn of a dial.

Single-Vision vs. Progressive Lenses: Pros & Cons

Discover how new high-definition eyeglass lenses (free-form and wavefront lenses) produce sharper vision than regular eyeglass lenses.

The experts at All About Vision reveal why polarized sunglasses make it difficult to see LCD screens with some great tips on how to overcome this issue.

Glasses for astigmatism are among the most common treatment options. Special lens types and features are available to correct astigmatism.

Dr. Gary Heiting explains how occupational bifocals can help you see better for specialized activities such as working under a car, overhead filing or golfing.

Learn what to look for when buying sunglasses to ensure they provide the best UV protection.

Do you know if photochromic lenses filter UV rays? All About Vision reveals the benefits of photochromic lenses to protect against UV light.

The lenses you choose for your glasses can make a real difference in your vision, comfort and safety. What you need to know to choose glasses lenses that are right for you.

Learn how photochromic lenses work, their benefits, how they darken in sunlight and what to consider when choosing light‑adaptive lenses for daily use.

Mirrored sunglasses have a thin metallic layer on the outside of the lens, reflecting glare away from the lens, reducing eyestrain and enhancing your outdoor experience.

While no sunglasses lenses are 100% scratch-proof, you can purchase scratch-resistant lenses next time you’re in the market for new sunglasses. You can even have a scratch-resistant coating added to sunglasses you already own and love.

Do you know if photochromic lenses have UV protection?” The experts at All About Vision explain what photochromic or transition lenses have UV protection.

Plastic (CR-39) and polycarbonate are two common lens materials for eyeglasses. Explore the advantages and disadvantages to learn which is best for you.

Learn what you need to know about bifocals and trifocals, including occupational multifocal lenses for work and play, plus optional lens coatings.

There are benefits to both glass and plastic lenses for sunglasses. Glass lenses provide more clarity and durability, but plastic is safer and a more popular choice for both prescription and non prescription sunglasses.

Find out how polarized sunglasses block glare in bright sunlight, and how they may be able to improve your visual comfort and clarity.

Lenticular lenses have large magnification in the central portion, aiding in the correction of conditions that cause very blurry vision.

Progressive lenses are line-free multifocal lenses that could help to provide more natural-feeling vision than bifocals and trifocals for people over age 40. Here's why.

The highest UV protection in sunglasses is UV 400, which blocks 99% to 100% of the sun’s UVA and UVB rays and screens out 75% to 90% of the sun’s light.

Are there differences between polarized and non-polarized sunglasses? Learn the key distinctions of polarized sunglasses vs. non-polarized sunglasses.

Discover the difference between photochromic vs polarized lenses. The experts at All About Vision explain the pros and cons of photochromic vs. polarized lenses.

Read tips for choosing non-prescription or plano sunglasses.

Learn how prism glasses correct double vision. They affect how light reaches the retina, look like regular glasses and are usually covered by insurance.

Learn how progressive lenses, or invisible bifocals, provide presbyopia correction without the tell-tale line of bifocals.

Do you need the best night vision glasses for driving? The experts at All About Vision review all the options for the best night vision glasses for driving.

Answers to frequently asked questions about blue light glasses: How do they work, what does blue light do to your eyes, can you wear blue light glasses all day and more.

How do photochromic glasses make good computer glasses? All About Vision explores how photochromic lenses may be good computer glasses and when to buy them.

Wondering if photochromic lenses help your eyesight while driving? All About Vision explains what you need to know about photochromic lenses while driving.

Are there any benefits to different color sunglasses? Find out the specific benefits of the various sunglasses’ lens-tint colors to improve vision.

Want to learn about photochromic lenses? All About Vision explores photochromic lenses, how they work, how to test them and how to find the right ones for you.

Explore the different types of lens coatings to determine the best options for your specs.

Polycarbonate and high-index materials both offer a thinner lens for eyeglasses, but one may be a better fit depending on your eyeglass prescription.

Want to know the difference between polarized vs. gradient sunglasses? Discover the features of polarized vs. gradient sunglasses and which one is best for you.

Anti-reflective coating for glasses helps to reduce reflections and glare in order to improve vision comfort during everyday activities.

Aspheric eyeglass lenses are designed to reduce certain distortions with a slimmer profile and different cosmetic appearance than standard eyeglass lenses.

How fast can photochromic lenses change to sunglasses? Learn how long it takes for photochromic glasses to transition under sunlight, and after going back indoors.

Progressive lenses are common in glasses, but can you get them in sunglasses? These specialty lenses are available as long as the frames accommodate lenses.

Learn about UV protection for sunglasses. UV 400 means nearly 100% protection against UV rays, includig UVA and UVB rays, from 400 nanometers.

If you wear glasses and love your frames, you can pay to have your new prescription put in your existing frames. Learn how & where to get replacements.

Learn why your child's new glasses may cause blurry vision and what to do. Find out how to help them adjust or when to consult an eye doctor.

Need bifocals or trifocals? Dr. Gary Heiting describes which type of bifocal and trifocal eyeglass lenses best fit your vision needs after age 40.