Photochromatic lens automatically adjusts to the changing light conditions to darken or lighten depending on the amount of sunlight or UV exposure. Reaction time is 7 to 10 seconds, and the transmission shift is from a Category 1 (85% light transmission) lens, to a Category 3 (15% light transmission) lens.
An advanced crystal is embedded in the lens resin that reacts with the intensity of the sun to create the change.
The lens material is grade A polycarbonate resin for superior impact resistance with 100% UV protection and Focal point lens technology for class one optical standards.
All Optic Nerve Photochromatic glasses feature non-slip rubber components and active lens venting. (L-6,7,9,12)
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