Lens width about 2 1/8 inches (54mm)

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

Lens width about 2 inches (50mm)

UV400 protective bifocal readers and block 100% UVA-UVB harmful rays for superior eye protection

4 Pack Semi-Rimless Metal Blue Light Blocking Readers DS1704 feed-color-Black/Purple/Blue Lens width about 2 1/8Acrylic lens, metal frame with spring hinges Block 98% blue light, serious color distortion Frame width about 5 1 2 inches (140mm) Lens width about 2 1 16 inches (52mm) Lens height about 1 5 16 inches (33mm) Bridge(DBL) about 11 16 inches (18mm) Temple length about 5 5 16 inches (135mm)