Knowledge Points Of Different Glasses

1. Observe whether the welding part of the frame is firm,

2. Is the plating on the surface of the frame smooth?

3. Whether there are defects on the surface of the frame

4. Whether the shape of the frame is flat.

The shorter the contact lens cycle, the more hygienic and more expensive it is.

- Daily throw is suitable for those who wear it less frequently, or those who are rich and pay attention to eye health.
- The monthly throw is suitable for people who wear it frequently and pay more attention to eye health.
- Semi-annual throwing is suitable for people who wear it frequently and pay attention to economic benefits.
- It is not suitable for anyone to throw it every year, because it is very unhygienic.