Lenses are usually cut according to the frame. If you want to buy a frame that fits the original lens, you need to go to the store where you bought the glasses to find the same or similar model. Or choose any other frame, and cut the original lens twice according to the size of the frame. If you know the specific size of the original lens, you can also find the corresponding frame according to this size.

When you don't wear glasses, it is recommended to wrap them in glasses cloth and put them in glasses cases. When temporarily placed, the convex surface of the eye should be upward to avoid rubbing the lens. It is necessary to make professional plastic adjustment for glasses regularly.

Glasses should avoid contact with insect repellent, cosmetics, hair gel and other corrosive substances. And avoid long-term direct sunlight and high-temperature open flame, otherwise it will easily lead to deterioration, deterioration and discoloration of glasses.

Avoid using glasses during strenuous exercise, and prevent glasses and face from being damaged due to strong impact. Try not to use worn lenses to prevent vision loss caused by scattered light.