Metalless and Screwless Design

Suitable for lab

or Tablet PC

Frame width about 5 5/8 inches (142mm)

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

Full-rim Blue Light Blocking Eyeglasses LX19042-BB90 Color:Blue Metalless and Screwless DesignAcrylic 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)