Frame width
Too wide: If the frame width is too large, the glasses are easy to slide on the face, especially in some light exercise or facial sweat, this situation will be more obvious. At the same...
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 ...
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 ...
Plate frames are a type of eyeglass frame made of plate materials, which have become increasingly popular in the market in recent years. Plate materials are usually a plastic synthetic mater...
In modern society, glasses are not only a visual correction tool, but also a perfect combination of fashion and function. With the progress of science and technology, color-changing lenses, as a hi...
These 6 steps are indispensable
Recently, many foreign friends have asked how to open an optical shop and how to reduce cost. For newbies, most of them just heard that the optical shop is more pro...
