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LaserPair glasses

LaserPair glasses

Product name: LaserPair glasses
Feature: Safe, comfort, beauty
+ Product details

Safety glasses are rated by their Optical Density (OD), which measures how much light is blocked. Every 1 point increase of the OD blocks light by a factor of 10. So OD 0 = 100% light transmission; OD 1 = 10% light transmission; OD 2 = 1%; OD 3 = 0.1%; OD 4 = 0.01% etc.

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