TR90 Half Rim Rectangle Bifocal Reading Sunglasses SG901 Color:Black 30% Blue Light Blocking

30% Blue Light Blocking

Lens width about 1 3/4 inches (44mm)

Lens height about 1 11/16 inches  (42mm)

Plastic frame with spring hinges

Lens height about 1 3/8 inches (37mm)

TR90 Half Rim Rectangle Bifocal Reading Sunglasses SG901 Color:Black 30% Blue Light BlockingTR90 and rubber frame without spring hinges Frame width about 5 1 2 inches (140mm) Lens width about 2 7 16 inches (62mm) Lens height about 1 9 16 inches (40mm) Bridge (DBL) about 3 8 inches (10mm) Temple length about 4 15 16 inches (125mm) EYEKEEPER BIFOCAL SUNGLASSES 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 magnification, which is for