Anna Barden

Learn about the various types of sunglass styles, lens types, and coatings, as you shop for your next pair of shades.

Trifocals have three different focusing powers. They correct near and distant vision and include an intermediate strength for working on a computer.

Some things can be removed from your eye at home, but some are best addressed by a doctor. Learn how to get something out of your eye and when to seek help.

Crazing occurs when the anti-reflective coating on your glasses cracks. It’s often due to heat exposure or manufacturing defects.

Determining your dominant eye can be useful if you participate in certain work or sports, and it may be a requirement if you have an eye-focusing problem.

Optical illusions occur when the brain can’t properly translate the visual information given to it by the eyes.