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 ...
In summer, the sun is hot and sweat is frequent, and for people who wear frame glasses, choosing a suitable glass material is crucial. So, in the hot summer, what material frame glasses are most su...
Material aspect
Look at the material composition: high-quality metal spectacle frames often use titanium alloy, pure titanium, etc., with light weight, high strength, corrosion resistance, anti-all...
The frame, as an important part of the glasses, not only carries the function of supporting the lens, but also an important carrier to show the wearer’s personal taste and style. In the marke...
When discussing the topic of “what color sunglasses lens eyes are most comfortable”, we must first understand the diversity and functional differences of sunglasses lens color, and how ...
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 ...
