PROTECT YOUR EYES - Anti glare lens coating prevents insomnia and macular degeneration

it is super easy for everyone to make right and left frame together

The lenses block 30% blue color of online test for color filtering properties

Frame height: 1 3/8" (35mm)

1 7/16 inches (36mm)

Thicker Frame Transition Photochromic Reading Glasses BS9108 feed-color-Black/Pink/Brown PROTECT YOUR EYES - AntiAcrylic lens, plastic frame with spring hinges Frame width about 5 7 16 inches (138mm) Lens width about 1 7 8 inches (47mm) Lens height about 1 9 16 inches (40mm) Bridge(DBL) about 9 16 inches (14mm) Temple length about 5 1 2 inches (140mm) PHOTOCHROMIC LENSES Transparent lenses in the door, it will be change to grey color in the sunshine within 10 minutes.