1, glasses do not wear bad, are broken, crushed. Can not rub as much as possible not to rub glasses, it is dirty, with a mirror cloth, then press the mirror cloth along the lens to the same direction to rub, rather than turn circle.

2, PC lens dirty, in addition to detergent with no other solution to clean the mirror. Polarizer bogey with water and ultrasonic cleaning, otherwise it will destroy the polarizing effect.

3, do not have time, try to put hard sports mirror bag, anti-pressure.

4, in the wearing process, hand try not to touch the lens, glasses do not stuck in the head. Because the hands and hair are fat will damage the lens. And it is not easy to wipe.

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