Thicker Frame Transition Photochromic Reading Glasses BS9108 feed-color-Grey/Green/Brown UV400 protective bifocal readers and

UV400 protective bifocal readers and block 100% UVA-UVB harmful rays for superior eye protection

Lens height about 1 5/16 inches(34mm)

Bridge(DBL) about 11/16 inches (18mm)

COMPUTER READING GLASSES - Blue light blocking computer reading glasses can reduce eyestrain when you are working on computer

Lens width about 1 13/16 (46mm)

Thicker Frame Transition Photochromic Reading Glasses BS9108 feed-color-Grey/Green/Brown UV400 protective bifocal readers andAcrylic 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.