What are the magic of glasses? What are the functions of glasses?

The eye is the organ of vision that perceives light and converts it into electrochemical impulses in the nerves. The more complex eye is an optical system that can collect light from the surrounding environment, adjust the intensity of the eye through the iris, focus it with an adjustable lens, and project it to the light-sensitive retina to produce an image, which converts the image into electrical signals and transmits it to the visual system and other parts of the brain through the optic nerve. Eyes can be divided into ten different species according to their ability to distinguish colors, and 96% of animals have complex optical systems.

Among them, the eyes of mollusks, chordates and arthropods have the function of imaging.

In many vertebrates and some mollusks, the eye imprints light by projecting light onto the light-sensitive retina, where light is received and converted into signals that are transmitted to the brain through the optic nerve. Usually the eye is spherical, filled with a clear, gel-like substance, with a lens for focusing, and usually an iris that controls how much light enters the eye.

Wearing glasses is mainly used to correct vision or protect the eyes.

In terms of the function of the lens, it has the effect of regulating the amount of light entering the eye, increasing vision, protecting eye safety and clinical eye diseases.

Strabismus in children caused by refractive abnormalities and patients with refractive abnormalities accompanied by headaches can be treated with glasses**. The function of the spectacle frame, in addition to its supporting lens to form glasses to wear on the human eye to play the role of a bracket, it also has beauty, decoration. Modern fashionists emphasize that glasses should be in harmony with the facial makeup and clothing of the times, reflecting the symbols of high social class, high learning, fashion, etc.

I think there are two types of glasses. One is a functional lens that can correct vision problems and can be used in special scenes, and the other is a face-modifying lens that can be used as a fashionable matching item. Functional glasses can deal with myopia, farsightedness, presbyopia, astigmatism, strabismus, weakness and other optometric problems, and after personalized and accurate refraction, the insufficient vision is corrected, making it more comfortable and clearer to wear.

At present, the most advanced optometry in China is 5-degree precision refraction, which can improve the red-green balance rate of the eyes and make the glasses more suitable for the eyes. However, 5-degree lenses have not yet been fully popularized, I learned that the domestic brands that do better are Potz, Archimedes and Minghao Technology, after experiencing the optometry process in the store, these three I personally prefer Archimedes, because his equipment is more professional, and the service attitude is also very good, although it is a relatively new brand, but the technology is very mature, I am myopic 130 degrees, before going to the optical store with glasses with smart 125 degrees or 150 degrees, wearing new glasses is always a little uncomfortable. The glasses dispensed by the ergonomic fitting system really have no adaptation period at all.

After 5 degrees of fine refraction, there is also a holographic data scanning session, which allows me to experience the level of astronaut customization!

There are also UV protection, blue light protection, sunglasses, and progressive glasses, which are both functional and aesthetically pleasing, and will be more noticeable when used in special scenes. The frame should match the shape of the face, and the lens has a special process. According to the purpose of use, glasses must be refraction and professional data must be collected before glasses are dispensed, so that the glasses can be more suitable for the eyes.

Myopia glasses: Allow a person who is nearsighted to see normally.

Farsighted glasses: Allow farsighted people to see normally.

Sunglasses: block bright light and protect your eyes.

Diving goggles: underwater vision.

Goggles: Protect your eyes under special conditions (such as sandstorm, heavy snow, welding, etc.).