1.Because of the small hardness of the lens, it is easy to wear and tear. If used improperly, the lens is easy to be worn, so be careful when using it, avoid scrubbing with hard objects, and place the mirror side up. After sanding, treat the lenses with a liquid and wipe them with a soft microfiber cloth designed for cleaning lenses.
2. Glasses are simple optical devices made to correct vision or protect eyes, consisting of lenses and frames. There are four types of glasses for vision correction, including myopia glasses, hyperopia glasses, reading glasses and astigmatism glasses. Other types of glasses include goggles, sunglasses, swimming goggles, etc., which provide various protection for the eyes. Glasses are not only a tool to protect the eyes, but also a cosmetic decoration.
3. Correct maintenance method of glasses: ultrasonic cleaning machine cleaning, professional cleaning thoroughly, without hurting the lenses. Wash with cool tap water, put some detergent, clean the front and back with your finger belly, and dry the water on the lens with a paper towel. Professional lens cleaning paper to wipe lenses, suitable for use in clean spaces.