Complete analysis of glasses knowledge！

Composition of glasses

1. Lens: the part embedded in the front ring of glasses, one of the most important components of glasses.

2. Bridge of nose: the accessory part connecting the left and right eyes.

3. Nose support: support when wearing.

4. Pile head: the joint between the mirror ring and the mirror angle, which is generally curved.

5. Mirror leg: hook on the ear, movable, connected with the pile head, plays the role of fixing the mirror ring. When matching glasses, pay special attention to the size of the mirror leg, which is directly related to the wearing comfort.

6. Screws and nuts: metal fittings for connection and locking.

7. Locking block: tighten the screws to fasten the locking blocks on both sides of the opening of the mirror ring, so as to fix the role of the lens.

Types of glasses

1. Myopia glasses: glasses that are used to correct vision and enable people to see distant objects clearly. The purpose is to keep the ciliary muscle of the eyeball in a certain regulatory capacity. Generally speaking, it's hard to see things five meters away. It's time to check your eyesight.

2. Sunglasses, Sunglasses: block ultraviolet rays, protect eyes, can also be used for decoration.

3. Decoration with glasses: fashionable, distinctive glasses, matching with clothing and other functions, not functional.

4. Presbyopic glasses: glasses used by people with presbyopic eyes. It is mainly used for the middle-aged and old people to supplement their eyesight.

5. 3D glasses: the most advanced "time division method" is adopted, which is realized by the synchronous signal between 3D glasses and display.

6. Night mirror, driver's mirror: night mirror is an auxiliary observation tool based on night vision technology and with the help of photoelectric imager. Driver's mirror and motor vehicle's eyes suffer more serious light pollution such as glare during high-speed driving.

Glasses frame material

1. Pure titanium: in the glasses industry, pure titanium frame usually refers to the frame made of a titanium material.

2. Memory board: made of high-tech plastic memory board. At present, most of the plate components are acetate fiber, and a few high-grade mirror frames are propionic fiber. It is specially designed for the majority of fashion people and students who pursue quality life, especially young women.

3. TR90: tr-90 (plastic titanium) is a kind of polymer material with memory. It has good toughness, wear resistance and friction resistance. It can effectively prevent the damage to eyes and face caused by the fracture and friction of mirror frame during the movement.

4. Titanium alloy: titanium alloy is based on titanium and other elements. Titanium alloy has high strength, corrosion resistance and heat resistance. Ultra light super elastic frame can be made very thin.

Now more and more people are wearing glasses. Whether they are primary school students, adults or the elderly, they will wear glasses. Glasses will soon become a necessity for people. Glasses are not only a functional function, but also a decoration and matching item.

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