Lens height about 1 1/4 inches (32mm)

block 31% within 490nm

Lens width about 2 inches (51mm)

metal frame with spring hinges

and then wait for your customized blue light blocking specs shipped

Pilot Style Polarized Bifocal Reading Sunglasses PGSG804 Magnification Strength:+1.50 Lens height about 1 1/4Polycarbonate lens, metal frame with spring hinges. Frame width about 5 1 2 inches (140mm) Lens width about 2 1 4 inches (58mm) Lens height about 1 7 8 inches (47mm) Bridge (DBL) about 1 2 inches (13mm) Temple length about 5 1 4 inches (133mm) EYEKEEPER POLARIZED BIFOCAL SUNGLASSES Sunglasses and reading glasses, all in one. UV400 protective polarized readers and block 100% UVA UVB harmful rays for superior eye protection.