1. Ordinary sunglasses do not have the function of filtering and converting polarized light. Polarized glasses can filter various reflected glare, sunglasses online and the price of polarized glasses will be more expensive than that of ordinary sunglasses;
2. Ordinary sunglasses can only block sunlight and ultraviolet rays. Wearing glasses for a long time is easy to fatigue, while polarizers can filter various reflected glare and protect the eyes;
3. Turn on the phone, point the glasses at the screen, turn the sunglasses, if you see the screen from the lens, it just changes...
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