The sunglasses cause greater contrast between dark and light area, and thus create better perception of visibility than the overwhelming light volumes entering your eyes with ordinary glasses or with no glasses at all
For a real shock, try a pair of very lightly tinted orange lensed sunglasses in poor vis... the difference is remarkable.... available from any specialist skiing outlet...
ممكن ده يكون تفسير ان الواحد مش بيشوف ابعد بالنضارة لكنها بتزود تضاد الالوان contrast فبتخليك شايف الى انت شايفه اوضح
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