YIMI Photochromic Bifocal Reading Sunglasses Anti Blue Light Computer Glasses Rimless Transition Sun Readers for Women Men

Product description Transition Photochromic Reading Sunglasses Advanced multi-focus reading sunglasses, the upper optical area of the lens is used for the far view, and the lower optical area is used for near view.Bifocal. Photochromic technology darkens the lens automatically to help you adapt to changing light and blocks UV. Photochromic 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. See More

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