What kind of computer glasses, you choose right?
I believe that many myopia friends will be equipped with a pair of computer glasses, the role is mainly to adjust the vision, some people will also be equipped with a spare as a spare, but are generally limited to different styles, in fact, different types of glasses will play a different role , We also have to pay attention when choosing Oh! Eyewear lenses mainly include six categories, namely: polarized lenses, dyeing lenses, progressive computer glasses lenses, color lenses, anti-blue lenses and anti-fatigue 2017 computer eyewear lenses. 1, polarized lenses Polarizer is based on the principle of light polarization lens, used to exclude and filter out the scattered light in the beam, so that the light can be on the track of the optical axis into the eye visual image, so clear and natural vision. Used for driving, fishing, skiing and so on. 2, color lenses The discoloration lens is made of optical computer glasses containing silver halide microcrystals. According to the reversible reaction principle of light color tautomerization, it can be rapidly darkened under sunlight and ultraviolet radiation, completely absorbs ultraviolet rays and absorbs neutrality to visible light. Can quickly restore colorless and transparent. In other words, the lens is no color in the room, in the outdoors due to the exposure of light, the lens becomes colored. 3, anti-blue shop computer glasses Anti-Blu-ray glasses have been taken as an office computer family protection measures by many people. In addition to this type of glasses can filter ultraviolet rays, but also specifically for high-energy short-wave blue light barrier, so that it can not hurt the eyes of the most important retinal macular area. It has different penetration of different light absorption function, anti-reflective, anti-glare, the user wearing a clear feeling clearly after the visual, so that you away from visual fatigue. Especially for computer workers, watching TV, playing electronic games and other people, can effectively prevent harmful blue light damage to the eyes, permanent health and health. 4, anti-fatigue lenses Anti-fatigue lens is generally based on the principle of similar progressive film in the lens plus +50 ~ +60 degrees to adjust the load, optimize the myopic light to restore the normal micro-wave, so that the adjustment of the glasses to restore the system to obtain fatigue-free function, For the eyes of the complete "decompression". Mainly for the following five categories of people: learning pressure in the school students; long-term close work of the young office population; long time to use the computer's office population; with early symptoms of myopia computer glasses wearer; myopia -800 degrees The following crowd. 5, stained lenses To prevent the sun strong stimulation caused by eye damage. Through a specific process will be infected with different colors of the lens, to achieve a different visual environment needs. Dyeing lenses are not suitable for use indoors because they affect visual effects. General can be based on manufacturers to provide glasses for computer eye strain color, personal preferences and use of the environment to determine the choice of color. 6, progressive lenses Progressive lens is a multi-focal lens, eliminating the use of double-focus lens when the eye must continue to adjust the focal length of fatigue, there is no clear between the two focal lengths that line. Progressive lenses are divided into adult progressive lenses and juvenile progressive lenses.