Retro Spectacles Blue Light Filter Classic Design 5-UVR899

The performance of blue light blocking:block 28% within 500nm,block 31% within 490nm,block 33% within 480nm,block 36% within 450nm-470nm,block 39% within 440nm,block 51% within 430nm,block 93% within 420nm,block more than 99% within 400nm-410nm. The lenses do not block blue color of online test for color filtering properties. 100% UV protection. Almost no color distortion. Transparent lenses with coating Blue light blocking glasses reduce eye strain, eliminate dry eyes, do not let your eyes uncomfortable ruin your daily life. The frame for the most comfortable fit available today in addition to unparalleled durability. DIMENSIONS Lens width: 21/16" (52mm) Frame width: 57/16"(138mm) Lens height: 15/16" (34mm) Frame height: 11/2" (38mm) Bridge (DBL): 1/2"(13mm) Temple length: 55/16"(135mm) Whether you are looking for blue light glasses for the office or outdoor. BLUELESS blue light blocking glasses will give you the premium protection you are looking for. CARE To avoid damage, never clean your reading glasses with paper towels or clothing or alcohol, and also avoid using household detergents or soaps. While a few mild soaps don't harm lenses, today's extra strength soaps are powerful enough to slowly disintegrate lens coatings."