Eyeglass Lenses

What eyeglass lenses are the best for your vision needs? Here’s what to know about your lenses options before you purchase your next pair of glasses.


man peering through expired lens in eyeglasses
Why is there an expiration date on my eyeglass lens prescription?

Has your lens prescription expired? Do you want to know when it expires? Find out why there's an expiration date on your glasses (or contact lens) prescription.

Smart glasses: How they work and what’s next

Our guide to smart glasses includes their origin with Google Glass, how they work, what’s next and challenges and issues raised by new vision tech.

Fake eyeglasses: What they are and why they’re trending

Fake eyeglasses are all style and don’t require a prescription. Our trending guide covers who wears fake glasses and why, and where to find fake eyeglasses

How strong is my eye prescription?

Find out how to use the numbers and letters in your prescription to determine how bad your eye prescription is.