Customize Your 1.67 or 1.74 High Index Lenses into Sunglasses

High index lenses are thin, lightweight, and compatible with a variety of attractive and stylish frames. That’s all well and good but what about outdoor use? Are there high index sunglasses? Two possible options are wearing a pair of flat sunglasses over the prescription glasses, or using clip-ons. Apart from the clunkiness and less than […]
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