Test via the spectrometer(the performance of blue light blocking):block 89% within 500nm,block 91% within 490nm,block 93% within 480nm,block 94% within 470nm,block 96% within 460nm,block 98% within 450nm,block more than 99% within 400nm-440nm.
Serious color distortion due to 90% blue color was filtered out.Please check Eyekepper BB40,BB60 and BB90 lenses if you do not like serious color distortion.
The lenses block 90% blue color of online test for color filtering properties.
PRODUCTS DIMENSION - Lens width about 2 inches(51mm), Frame width about 5 1/4 inches(133mm), Lens height about 1 13/16 inches(46mm), Bridge(DBL) about 11/16 inch(18mm), Temple length about 5 1/8 inches(130mm), without spring hinge
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