Eyeglass Lenses

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

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

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

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.

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

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

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

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

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.

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

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

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.

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

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

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

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.

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

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.

Single-Vision vs. Progressive Lenses: Pros & Cons

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

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.

Wondering when photochromic lenses were first developed? All About Vision explores the history of photochromic lenses and the difference from transition lenses.