4 Pack Half Rim Metal Blue Light Blocking Readers DS1702 Magnification Strength:+1.75 Bridge (DBL) about 1/2 inches

Bridge (DBL) about 1/2 inches (13mm)

and also avoid using household detergents or soaps

Polycarbonate lens

Ideal for users with uneven vision between eyes

you can choose a different lens power in your readers directly

4 Pack Half Rim Metal Blue Light Blocking Readers DS1702 Magnification Strength:+1.75 Bridge (DBL) about 1/2 inchesAcrylic lens, titanium and metal frame with spring hinges Block 98% blue light, serious color distortion Frame width about 5 1 2 inches (140mm) Lens width about 2 3 16 inches (55mm) Lens height about 1 7 16 inches (36mm) Bridge(DBL) about 11 16 inches (18mm) Temple length about 5 1 2 inches (140mm)