What precautions should be taken when choosing a frame? With the vigorous development of the eyewear industry, more and more materials are applied to the frame. After all, the frame is worn on the ...
Effect of refractive index on visual acuity in the aged
Lens thickness
For the elderly with high myopia or farsightedness, it is more appropriate to choose a lens with a high refractive index. The ...
Before wearing
Clean hands: Wash hands thoroughly with a mild, fragrance-free soap or hand sanitizer to ensure they are free of dirt, oil, and bacteria. Pay particular attention to cleaning between...
Uv protection
View the logo: It is preferred to choose sunglasses with a clear UV protection logo, such as “UV400″, which means that the sunglasses can block more than 99% of the ultrav...
When discussing the question of whether sunglasses are better polarized or unpolarized, we first need to clarify the core differences between the two and their applicability in different scenarios....
Wear properly and care for the condition
Breathability and corneal health: Modern contact lens materials in breathability and other aspects have been greatly improved, as long as the choice of qual...
