Lightweight Blue Light Blocking Bifocal Readers DSSG1804 feed-color-Grey/Brown/Amber Lens height about 1 15/16

Lens height about 1 15/16 inches (49mm)

block 31% within 490nm

Frame width about 5 1/14 inches (133mm)

Bridge (DBL) about 11/16 inches (17mm)

05 inches (52mm)

Lightweight Blue Light Blocking Bifocal Readers DSSG1804 feed-color-Grey/Brown/Amber Lens height about 1 15/16Acrylic lens, metal frame with spring hinges Block 98% blue light, serious color distortion Frame width about 5 11 16 inches (145mm) Lens width about 2 5 16 inches (58mm) Lens height about 1 15 16 inches (49mm) Bridge (DBL) about 1 2 inches (13mm) Temple length about 5 1 8 inches (130mm) EYEKEEPER BIFOCAL GLASSES A crescent shape on the bottom part of the lenses have magnification, which is for reading and close up work. And the other parts of the