IT'S A NATURAL PROTECTOR 0F THE EYES Quark computer glasses have Melanin tinted pigment in the lenses to help reduce glare & eye strain, improves contrast, reduces the risk of cataracts Optical Frame with a case Spring Hinge Gun Metal Size1 1/16"x 5 1/8 Available in NO power, +100, +150, +200, +250 SCRATCH RESISTANT coating Special corporate rates available on this item for large orders.(min. 12)Call 1-800-789-6322
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