7 Pack Rimless Blue Light Blocking Reading Glasses TMWK9905B feed-cl0-Sunglasses you can choose a different

you can choose a different lens power in your cut blue rays readers directly

The performance of blue light blocking:block 35% within 500nm

block 36% within 450nm-470nm

While a few mild soaps don't harm lenses

please remove then you will see clear

7 Pack Rimless Blue Light Blocking Reading Glasses TMWK9905B feed-cl0-Sunglasses you can choose a differentAcrylic lens, metal frame without spring hinges Block 60% blue light, 20% color distortion Frame width about 5 5 16 inches (132mm) Lens width about 2 3 16 inches (55mm) Frame height about 1 3 8 inches (35mm) Bridge (DBL) about 11 16 inches (18mm) Temple length about 5 1 8 inches (130mm)