Natural light spreads in all directions but when reflected by flat surfaces (such as asphalt, snow, water, sand or grass), it tends to polarize, which means it travels in a more even (usually horizontal) direction. This effect creates an annoying and sometimes...
The glasses must ensure the best possible vision and several factors affect their choice: the visual defect, the size and shape of the frame, the type of activity, work or use that you intend to do with that glass. Important elements in determining the thickness and...
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