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When I test my regular sunglasses, the lenses go evenly dark when tilted. With my prescription lenses, I see splotches of darkness as if someone spray-painted a dark X across the lens and left the corners without a coating. I'm assuming this isn't normal! Is there any situation in whic...
The use of polarization filters, each of which functions in the same way as a pair of polarized sunglasses, is another glint reducing or eliminating technique well known in the art (see for example, E. Hecht., Optics, Addison-Wesley, 1st edition 1972, 2nd edition 1987, 3rd edition 1997,...