Transition Photochromic Bifocal Reading Glasses for Men Women Outdoor UV400 Sports Presbyopia Sunglasses reader (BLACK, 2.25, x) - willochra

• Photochromic gray bifocal reading glasses readers the top part of the lens is clear, while the bottom section is available in your choice of magnification for reading your favorite book, newspaper, or work. NOTES: It will take some time to adapt after you wearing the bifocal reading glasses. We suggest you at least try the glasses on for a week, then if there's anything need our assistance, please contact us. Its magnification strength is accurately exact，Multiple strengths to choose,You can choose the right power according to your needs. bring the best reading experience. 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. Note: This is not sunglasses! ! The photochromic lens changes according to the intensity of ultraviolet rays. The stronger the ultraviolet rays, the deeper the discoloration, and the weaker the ultraviolet rays, the lighter the discoloration. (We will check carefully before leaving the warehouse).