Quality identification of glasses selection
Jan 23,2025
Lens transmittance and optical uniformity testing method: Hold the lens about 30 centimeters away from the eye and observe from a distance through the lens.
Glasses lenses can be divided into two categories
Jan 23,2025
Glasses lenses can be divided into two categories, namely glass lenses and optical resin lenses.
The mirror frame controls the function of the lens
Jan 23,2025
The larger the frame size, the larger the effective diameter of the frame, the larger the minimum required lens blank, and the thicker and heavier the lens after edge cutting.
Jan 23,2025
When choosing a suitable frame, one also needs to consider the comfort of wearing it.
Jan 23,2025
One handed removal can disrupt the balance between the left and right sides of the frame, causing deformation.
Glasses worn by children mainly have a therapeutic effect on the eyes
Jan 23,2025
The appropriate size of the frame directly affects the improvement of children's vision and visual development.
Choosing the right maintenance solution and proper maintenance method for glasses is also important
Jan 23,2025
Check if there is a license from the Department of Health. If it is approved, there will be the Department of Health Medical Device Input Number.
Glasses should not only be selected correctly, but also maintained properly
Jan 23,2025
Maintain according to the instructions of the medicine. The key points of each bottle of maintenance solution are different, and there may not be a difference in quality.