What is the difference between resin lens and pc lens, which is good?
Resin lens and PC lens as the two mainstream materials of modern eyeglass lenses, each has its own unique characteristics and a...
To determine whether the surface treatment process of titanium sunglasses frame is proper, you can start from the following aspects:
Observation appearance
Color uniformity: Properly processed fram...
Beautiful eyes are an effective “weapon” for hunting the heterosexual. Women in the new era, and even men who are at the forefront of developing trends, already have a great need for ...
The first thing we need to understand is that as a daily accessory and vision correction tool, the choice of glasses is not only related to visual beauty, but also directly affects the facial propo...
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...
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 ...
