Bestsea Eyewear Manufacturer In China

  ...... Optometry  knowledge Optometry is to check the convergence of light after it enters the eyeball. It uses the state of emmetropia as the standard to measure the difference in convergence between the examined eye and the emmetropia eye. Since many people will almost always have a relationship with glasses in their lives, optometry is currently one of the most basic, most commonly used and important tasks for optometry workers. Therefore, in social life, both ophthalmologists and ordinary people are very familiar with the term optometry. Optometry methods Optometry mainly checks the deformation of the eyeball. Generally, there are two methods. One is to use instruments to check, which can preliminarily measure the deformation of the eyeball. The other is to use lenses for trial replacement, using a pair of glasses with interchangeable lenses to determine the degree of glasses that need to be replaced, so that a pair of suitable glasses can be matched. Large optical shops...

  ...... About  glasses lenses .  After talking about the frames, it's time to talk about glasses lenses. Lenses are the most important part of the frames, and can be said to be the soul of glasses. Why say soul, because lenses are functional. Imagine if the frames were not invented, would you still have a pair of glasses if you used a pair of lenses with a rubber band and a stick? Lenses are important, I won't say much, and if you don't even understand the importance of lenses, it's useless to say more. Main materials and characteristics of lenses. 1. Resin lenses. Lightweight (density about 1.32), impact-resistant, and affordable. The disadvantages are easy to scratch (need coating), low refractive index (1.50-1.74), suitable for ordinary degrees and daily wearers. 2. Glass lenses, high light transmittance (99%), high refractive index (up to 1.9), disadvantages are relatively heavy (density 2.54), fragile, poor safety, suitable for ultra-high degrees (need ultra-thin)...

  ...... Let's briefly talk about the advantages and disadvantages of the five most common materials for eyeglass frames: 1.  Metal eyeglass frames . Metal eyeglass frames can be divided into three categories: copper alloy, nickel alloy and precious metal. Eyeglass frames made of these rare metals have better hardness, can withstand strong impact, and have better corrosion resistance than other materials. However, metal eyeglass frames have average texture, poor toughness and elasticity, and are more likely to slip when exposed to sweat. 2. Plate eyeglass frames. Plate is currently the most popular material for eyeglass frames and is also the most widely used material for eyeglass frames. Compared with other material eyeglass frames, it is not easily corroded by sweat and salt water, and is not easy to rust. It is the best corrosion-resistant material for eyeglass frames. Moreover, the polished plate has high gloss, is translucent, and has a soft texture, which is suitable for...

...... The material and quality of the glasses frame In general, the materials of glasses frames are divided into two categories: metal and plastic. Metals are divided into: titanium and ordinary metal materials. Titanium is divided into alloy titanium, pure titanium, ultra-thin and ultra-light B titanium. Metals are divided into stainless steel, white copper, copper and other materials. A pair of metal frames is often made of several different metal materials according to different structures. For example, in order to make the glasses have a certain elasticity, the bridge and temples of the glasses are mostly made of stainless steel;   Plastics are divided into: heavy acetate, thin TR materials, recently started ULTEAM materials, and other plastic products. Glasses made of acetate are the most popular type of glasses in recent years. acetate glasses have the advantages of rich colors, complex structures, and high matching with clothing, so they are loved by many people. The follow...

  Having worked in a glasses factory ( glasses manufacturer ) for more than 20 years, I can be said to be a senior glasses person. I deal with the accessory factories of glasses factories, such as acetate fiber material factories, hinge factories, lens factories, etc.; I deal with the designers, sales, masters and technical workers of the factory, and also deal with our foreign glasses brand customers. Glasses have long become a part of my life. Here I will talk to you about the relevant knowledge of glasses from the perspective of consumers, so that everyone can have a new understanding of glasses, and then you can match a pair of fashionable glasses that suits you. Friends who wear glasses are mostly highly educated people, but most of them know nothing about the glasses they wear every day. In fact, you only need to spend half an hour here, and you will know the basic knowledge of frames, lenses, and optometry. I wrote this article to popularize some basic knowledge of glasses. ...

  Acetate glasses are a trendy accessory with a unique position in the fashion world. Both   acetate optical glasses   and   acetate sunglasse s have become the most popular type in people's hearts. Acetate glasses are carefully made of high-quality cellulose acetate, and each pair of glasses is a masterpiece of the designer's ingenuity. This type of glasses is not only practical, but also has an irresistible design beauty. Whether it is the smooth line design or the unique color selection, it silently shows its fascinating charm. The uniqueness and fashion of acetate glasses make it the first choice for many fashion people who pursue individuality and taste.   In the field of eyewear design, acetate glasses have won people's love with their unique charm and diversity. Designers not only pay attention to the richness of styles, but also incorporate the concept of ergonomics into the design. Each pair of acetate frame glasses is a pursuit and respect for the wear...