The material of children’s glasses has an impact on the replacement frequency. Different frame and lens materials vary in terms of durability, adaptability, etc., as follows:
Frame material
P...
When choosing eyeglass lenses, consumers often hesitate between high-definition lenses and anti-blue lenses. These two lenses have their own advantages and are suitable for different use scenarios ...
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...
Daily cleaning
Remove dust: In daily use, the surface of sunglasses is easily contaminated with dust. You can use a clean and soft glasses cloth or a special microfiber cloth to gently wipe off the...
Sunglass is a kind of eyesight health care articles for preventing the strong stimulation of sunlight from causing harm to human eyes. With the improvement of people’s material and cultural l...
In the discussion of “What is the optical refractive index of an eye lens?” When it comes to this problem, we first need to understand the physical concept of optical refractive index, ...
