Ready for who need them - We started making this product in order to meet the needs of people who farsighted with different diopters in each eye

Lens width about 2  inches (50mm)

block 42% within 490nm

Lens width about 2 1/8 inches (54mm)

Half-rim Crystal Blue Light Blocking Eyeglasses LX19008-BB98 feed-color-Brown/Transparent Ready for who need themAcrylic lens, metal frame with spring hinges Block 98% blue light, serious color distortion Frame width about 5 1 4 inches (133mm) Lens width about 2 1 8 inches (54mm) Lens height about 1 7 16 inches (36mm) Bridge (DBL) about 9 16 inches (15mm) Temple length about 5 5 16 inches (135mm)