YIMI Photochromic Progressive Multifocus Computer Reading Glasses Spring Hinge Transition UV Sunglasses Anti Glare Sun Reader

Product description Photochromic Reading Glasses/Sunglasses Photochromic Lenses-Lens become darker when light become brighter Photochromic Reading glasses Lenses are clear when indoors or at night and automatically darken to a sunglasses tint when exposed to UV sunlight. Lenses will begin to clear as soon as they are away from UV sunlight, and will be noticeably lighter and mostly clear within a few minutes. They absorb UV radiation that can otherwise damage your eyes. They are an excellent solution for people who hate constantly switching between their reading glasses and their shades. See More

From the brand Progressive Reading Glasses Multifocal Reading Glasses Multifocus Reading Glasses