10 Pack Blue Light Filter Classic Computer Reading Glasses CG066 Color:10 Pairs Mix The metal-free screwless spring hinges

The metal-free screwless spring hinges design guarantee the hinge's firmness

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

Frame width about 5 7/16 (138mm)

Lens height about 1 3/4 inches  (44mm)

The lenses do not block blue color of online test for color filtering properties

10 Pack Blue Light Filter Classic Computer Reading Glasses CG066 Color:10 Pairs Mix The metal-free screwless spring hingesAcrylic lens, plastic frame with spring hinges Block 40% blue light, almost no color distortion Frame width about 5 3 8 inches (136mm) Lens width about 2 inches (50mm) Lens height about 1 1 8 inches (29mm) Bridge (DBL) about 5 8 inches (15mm) Temple length about 5 5 16 inches (135mm)