- The placement method
If you are temporarily placing the glasses, face the glasses with the convex side facing up. If the convex surface is placed face down, the lens will be polished.
- The way to wipe the lens
Use a clean special lens cloth. Be sure to hold the lens on the side of the mirror with your hand and gently wipe the lens. Avoid excessive force causing damage to the frame or lens.
- The way to fold frame
Fold frame should start from the left. Most frames are folded from the left temple, so if you fold the right temple first, it is easy to cause deformation of the frame.
- The way to pick up the glasses
Use both hands to hold the temples and pick them along the sides of the cheeks. If you use one hand to remove it, it will damage the left and right balance of the frame and cause deformation.
- When the lens is dirty with ash or dirty things
It is easy to grind the lens. It is recommended to rinse with water and then use a paper towel to dry the water and then dry it with a special glasses cloth. When the lens is too dirty, it is recommended to wash it with a low concentration of neutral detergent, then rinse with water.
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