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Precautions for Eyeglasses 1. Lens cleaning work Summer is a season of high sweat and rain, which makes the lenses of sunglasses more susceptible to dust, and frequent lens wiping can also cause significant wear and tear to the lenses.In daily life, you should pay attention to the cleaning of sunglasses. If necessary, you can use a professional cleaner or rinse with water, then gently press with a clean paper towel until the water droplets are absorbed.Special note: Glasses with polarized lenses cannot be cleaned with ultrasonic waves, otherwise the polarized effect will be damaged. 2. Avoid placing in high-temperature environments Do not place sunglasses in high-temperature environments, as the heat may cause the sunglasses to warp, especially sunglasses with plastic frames, which are almost intolerant of heat.If left in a place easily exposed to sunlight for a long time, the frame is prone to fading due to exposure to light and heat.When sunglasses are not in use, wrap them in a glasses cloth and place them in a box to prevent unnecessary damage. 3. Wiping issue When cleaning sunglasses, you should use a special cloth for this purpose.Also, be careful not to let the lenses come into contact with hard objects, and do not wipe the lenses with your fingers. Use a clean lens cloth to clean them to reduce lens wear. 4. Avoid contact with items containing chemical components Avoid prolonged contact with items containing chemical components such as perfume and insecticide to prevent chemical corrosion of the lenses and frames, thereby providing better protection for the sunglasses. 5. Do not place your sunglasses on your head Many people like to wear sunglasses on their heads, thinking it looks cool.In fact, doing this is very incorrect, as it will cause the hook to break.At the same time, to save trouble, many people will simply put their glasses into their bags or pockets, which can easily cause the lenses of the sunglasses to be scratched by the edges of keys or combs. 0k You should not take this lightly.