memory frame bifocal blue light blocking readers dssg1801 Color:Brown Acryllinse

Acryllinse

Lens width about 1 7/8 inches (48mm)

Lens height about 1 3/8 inches (34mm)

Frame width about 5 7/16 inches (138mm)

Block 40% blue light

memory frame bifocal blue light blocking readers dssg1801 Color:Brown AcryllinseAcrylic lens, metal frame with spring hinges Block 98% blue light, serious color distortion Frame width about 5 1 2 inches(140mm) Lens width about 2 5 16 inches (58mm) Lens height about 1 3 4 inches (45mm) Bridge about 1 2 inch (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 lenses have no