Knowledge Base

Answers and Guides

How to Buy Contact Lenses: What to Know Before You Order

To buy contact lenses, you need a current, valid prescription — even if you plan to order online. That prescription must include …

How to Choose Sunglasses: Lens, Fit, and Protection Factors

The most important thing to get right when choosing sunglasses is UV protection: look for lenses that block 100% of UVA and UVB r…

What Are Eyeglasses and How Do You Choose the Right Pair?

Eyeglasses are frames holding prescription lenses that bend light before it reaches your eye, correcting how the eye focuses. Cho…

How to Buy Glasses Online: A Step-by-Step Guide

You can buy glasses online in five steps: get your prescription and pupillary distance (PD), pick a frame that matches your face …