<ul><li>Lenses are 56mm x 36mm,Glasses Frame is 141mm in size,Arms are each 145mm long</li><li>Lenses are clear when indoors or at night and automatically darken to a sunglasses tint when exposed to UV sunlight.</li><li>They are an excellent solution for people who hate constantly switching between their reading glasses and their shades</li><li>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 100% UV radiation that can otherwise damage your eyes</li><li>Transition Photochromic Reading glasses,High Quality Reading Glasses for Men and women</li></ul><br><br>Description<br><br>Transition Photochromic Reading Glasses Readers +0.50 to +6.00

Jcerki Transition Photochromic Gray Reading Glasses +4.25 Strength Men and Women Photochromic Readers Eyeglasses