Lens width about 1 5/8 inches (41mm)

Metalless and Screwless Design

Hypoallergenic Option: The absence of metal screw not only eliminates the risk of screw loosening or coming out but also minimize the potential for allergic reactions or skin irritation

Suitable for lab

Lens width about 2 inches (50mm)

Full-rim Blue Light Blocking Eyeglasses LX19042-BB90 Color:Blue Lens width about 1 5/8Acrylic lens, metal frame with spring hinges Block 90% blue light, 30% color distortion Frame width about 5 1 4 inches (133mm) Lens width about 2 1 16 inches (51mm) Lens height about 1 3 4 inches (45mm) Bridge (DBL) about 1 2 inches (13mm) Temple length about 5 5 16 inches (135mm)