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 ...
Wear sunglasses when traveling, not only for appearance, but also for eye health. Today we’re going to talk about sunglasses.
01 Protect your eyes from the sun
It’s a fine day for a t...
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 ...
What is cellulose acetate?
Cellulose acetate refers to a thermoplastic resin obtained by esterification with acetic acid as a solvent and acetic anhydride as an acetylating agent under the action o...
Choosing the optical lens material suitable for the elderly requires comprehensive consideration of the elderly’s eye needs, physical conditions and living habits. The following is a specific...
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, ...
