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...
In today’s digital age, glasses have become an integral part of many People’s Daily lives, whether for vision correction or as a fashion accessory, the choice of glasses is particularly...
How to wear the right glasses correctly
Correct vision and protect the eyes: for people with refractive errors (such as myopia, farsightedness, astigmatism), long-term wear of the appropriate degre...
Polarizers are manufactured according to the principle of polarization of light. We know that when the sun shines on the road or water, it directly irritates the eyes, making the eyes feel...
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 ...
Optical glasses can alleviate visual fatigue to a certain extent, the following is a specific analysis from the perspective of different types of optical glasses:
Corrective optical glasses
Princip...
