What is Pupillary Distance (PD) and How to Measure It At Home?


Why's My Eyelid Twitching?


If you've ever experienced an eye twitch—or spasm—you know it feels like the whole world can see that your eye is flickering out of control at what feels like the same pace as a hummingbird's wings. Most of the time this quivering sensation is barely noticeable to the people around you, and it ends as quickly as it begins. But, not all eye twitches are the same, and some symptoms need closer attention.


Everything You Need to Know About Glasses ... and Then Some


Did you know that 64% of adults in the U.S (that's about 143 million people) wear prescription eyewear because of a refractive error? Learn more fun facts like that and everything else you need to know about glasses in this post!