It is said that the eyes are the windows of the soul, so the lens is the life of a pair of glasses. If myopia occurs, myopic glasses cannot be separated, and the composition of a pair of glasses cannot be without lenses. But what everyone does not know is that there are many types…
At this stage, there are various raw materials for eyeglass frames sold on the market, including plastic (PC material, TR material, plastic steel profile material, carbon fiber), plate (acetate fiber, seamani), metal material (alloy material) , Stainless steel, titanium, aluminum, etc.), precious metals, natural materials (buffalo horn, tortoise shell, gold). How to choose glasses frame?…
1. Non-polarized sunglasses-single function, not strongly recommended Generally, sunglasses without polarized lenses are the most general style, and the price is wide and cost-effective, but in terms of filtering ability, it is not optional. The scenery directly in front will be generally dark, although the bright areas are not so bright. It is dazzling, but…
The origin of glasses: The first glasses were born in Italy at the end of the 13th century. In 1268, Roger Bacon first recorded lenses used for optical purposes. At the same time, however, magnifying lenses with lenses in frames for reading have appeared in Europe and China. There has been controversy as to whether…
In 2020, the population of myopia patients in my country will reach 700 million, which is more than half of the population. Among them, the wrong way of fitting glasses also makes a large number of myopia patients become nearsighted. Yancheng glasses experts suggest that you should try your best to master some precautions for…
Summer has arrived, and the sun is getting stronger and stronger. Many myopic friends cannot wear ordinary sunglasses because of their myopia. Under this prerequisite, many well-known brands have derived clips, but because it is not easy to store them, the clips are also inconvenient to store. Myopia sunglasses involve storage and storage problems, and…
As a spectacles manufacturer, there are 7 most common types of spectacle frames in our field. Do you know which ones are there? Yancheng glasses will take you to understand the characteristics of this kind of glasses frame! 1. Full frame glasses frame It is the most commonly used type of frame. It is strong…
Why other people’s glasses can be used for 3-5 years, but after 1 year is not enough, it will deteriorate? Is it true that the same product is purchased at the same time? It turns out that he has learned the basics of maintenance of these glasses! Follow us to learn the most basic maintenance…
1. Strictly speaking, their raw materials are basically the same, but the difference lies in the production process. The production process of injection molded glasses is injection molding. The mold is first produced, and then the plastic is melted and injected into the mold to form a spectacle frame. It is a sheet of plastic…
The term anti-blue light glasses has been around for many years. From the very beginning with myopia glasses, and then in the glasses shop by the owner, Kopeo’s anti-blue light and anti-electromagnetic radiation glasses, to the technical professional anti-blue light glasses for myopia, I feel that The definition of anti-blue light has already entered every…
It is said that the eyes are the windows of the soul, so the lens is the life of a pair of glasses. If myopia occurs, myopic glasses cannot be separated, and the composition of a pair of glasses cannot be without lenses. But what everyone does not know is that there are many types…
1. The color selection of polarized sunglasses should be based on the principle that the color of the surrounding environment is not distorted, the edge of the object is clear, and the signal lights of different colors can be effectively identified. Especially when driving sunglasses, to ensure driving safety. The color of the lens is…
Sunglasses buying skills First consider quality The primary function of polarized sunglasses is to prevent ultraviolet rays and filter polarized light. Good polarized sunglasses lenses can block more than 90% of the penetration of ultraviolet rays. You can choose polarized sunglasses with “UV400” best UV blocking logo; inferior polarized sunglasses, such as dark sunglasses, as…
Precautions for the use of polarizer lens 1. There are two types of polarizers, linear polarizers (linear polarizers) and circular polarizers (circular polarizers). The method of use and the effect are the same; but circular polarizers can make light go through the filter in a circular direction instead of a linear shape, which is especially…
What are the applications of sunglasses? What are the applications of sunglasses? Sunglasses are not only required to be worn in summer, in fact they must be used throughout the year. Wear it on sunny days and also on cloudy days. Don’t think that the sun is not strong on cloudy days and the weather…
What are the characteristics of polarizer lens? Although polarized lenses can filter out a lot of irregular light interference and avoid glare, glare, etc., if the curvature of the lens itself cannot be in the optical standard refractive state, the polarizing effect will be weakened, affecting the authenticity of the image, and poor durability .…
The polarizer is a lens manufactured according to the principle of light polarization. It is used to eliminate and filter the direct light in the beam, so that the light can be input into the visual image of the eye on the transmission axis of the normal track, so that the field of vision is…
The computer optometry developed in the 1970s to the present day belongs to the objective optometry method. The machine used for this optometry is a combination of optical, electronic, and mechanical instruments, and its principle is basically the same as that of the retinoscopy method. In addition, an infrared red light source and an automatic…
The glasses worn by children have a therapeutic effect on the eyes and also have a certain cosmetic effect. Whether the frame size is appropriate or not is directly related to the improvement of children’s vision and visual development. According to children’s lively and active characteristics, the frames are mostly made of plastic or plexiglass.…
How to maintain sunglasses in daily life? The dazzling sunglasses make you active in the sun, so free. In fact, sunglasses can block the sun, but can’t block the pollution damage, so take care of them carefully to avoid losing face. In fact, the method of maintaining sunglasses is like maintaining ordinary glasses. You must…
