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Spin Coating Photochromic
Photochromic lenses use photochromic compounds reacting to UV light for darkening, providing UV protection. They return to a clear state indoors. Compared with mass photochromic, our spin coating technology can greatly reduce the time it takes for you to change color and fade, giving you a better visual experience.
LensAlter Posts
Who Invented Eyeglasses? History, Timeline & Evolution of Glasses
Millions of people put on a pair of glasses every morning without thinking much about where they came from. A simple frame with two lenses feels ordinary today, but centuries...
Why Do Glasses Leave Marks on Your Nose?
Have you ever taken off your glasses at the end of the day and noticed two small red marks sitting exactly where your nose pads rest? You are not alone....
Best Glasses for Round Faces Guide
Shopping for glasses can feel overwhelming, especially when you’re trying to find the best glasses for round faces. With so many shapes, sizes, and styles out there, how do you know...






























































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































