These are non-prescription glasses and are not medicated.They protect eyes from the sun,blue lights from the computer.These are make me look nice glasses 🤓.They tint black when exposed to the sun, clear when indoors.

Light-Adaptive Photochromic Glasses in Gray utilize advanced photochromic technology, enabling the lenses to automatically adjust their tint based on environmental light conditions. This feature provides optimal visual comfort and protection from harmful UV rays, enhancing visual clarity by up to 100% in bright sunlight.

One pair, two functions. Clear indoors and tinted in sunlight, these photochromic glasses reduce glare, protect against harmful UV rays, and give you effortless style wherever you go.