Nowadays, people use computers and mobile phones more and more. For a long time, playing and working without limit will cause our eyes to feel itchy, slight pain, vision loss and blurring. Therefore, it is very important to properly maintain our eyes. How to protect our eyes in daily life?

1. Take buckwheat skin, mung bean skin, black bean skin, cassia seed and chrysanthemum. The medicine is finely mixed and evenly mixed. It is put into a cloth bag to make a pillow. The pillow is covered with plastic bag and taken off at night. We have a clear vision.

2. This prescription is fumigated and washed with liquid medicine for external use. It can directly affect the eyes, increase the metabolism of the eyes, promote the blood circulation, and is very beneficial to the health care of the eyes. Wash Mungbean and chenjing rice and put them into the pot. Add 1000ml of water. Cook them into congee in high heat and low heat first, then put them into liver slices. The liver is cooked. Take it three times a day.

3. 2 chicken livers, 100g rice, a little salt. Chop the chicken liver and cook it with rice as porridge. When it is cooked, mix in salt and take it twice in the morning and evening. This prescription can increase the vision, especially for night blindness and people with dazzling eyes.

4. 120 g of Cistanche deserticola, 60 g of Morinda officinalis, 60 g of chrysanthemum and 60 g of Lycium barbarum. The 4 flavours are dried and dried together, and the white wax is used as a pill, such as Wutong. Take 15g / day, twice a day, dilute salt and boiled water. Our side is full of essence and bright moon, which is suitable for fainting.

5. This is the Cixi recipe proposed by Zhang Zhongzhi, a royal doctor of Qing Dynasty. It can be used as a daily health care prescription for eyes. 9 g for chamomile, 9 g for frost mulberry leaf, 3 G for mint, 1.5 g for antelope horn tip, 9 g for raw land and Prunella vulgaris. Pan fried, smoked and washed.

Daily eye care tips

1. When reading, whether it is physical books, e-books, computer screens, mobile phones or tablets, the light should be sufficient and have enough distance. It is recommended to take a rest every 30 minutes, close your eyes or look at distant scenery.

2. More outdoor activities, such as playing ball, and looking at distant scenery. Because outdoor activities involve focusing far and near and moving focus in all directions, the eye muscles can take the opportunity to relax and tighten.

3. You should wear sunglasses for outdoor activities. It is ideal to have UV400 degrees to completely block the UV, and you can also wear a hat, especially when the sun is strong at 12 noon. It is found that people who work outdoors and are exposed to sunlight but do not take corresponding eye protection measures will suffer from cataracts, wing flesh, macular degeneration and other problems earlier than ordinary people.

4. Do not rub your eyes often. Wash your hands frequently to reduce infection.

5. It's easy for computer workers to dry their eyes for a long time. When they need it, they can drop preservative free artificial tears and blink in the distance. Sometimes, when we focus on the computer screen, the number of blinks will decrease and lead to dry eyes. We found that the lower part of the cornea was very dry. The reason was that the eyelid was opened before it was completely covered, so that the tears were not enough to moisten the eyes.

6. If you find eye spots, blindfold, eye pain or dry eyes, you should see an ophthalmologist to check them out. If you have red eyes, you have the chance to have an eye infection, you must seek medical advice as soon as possible. You should not buy eyedrops randomly.

These prescriptions listed above will relieve our tired eyes to a certain extent. In addition, the most important thing is that when we read books or use computers in our daily life, we should adjust our suitable luminosity, and always wear sunglasses and other protective measures for outdoor sports. 

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Many people will wear glasses. Maybe everyone wants to ask if glasses need maintenance?

Now, glasses are very expensive. The price of a pair of glasses is hundreds or even thousands. Therefore, to pay attention to this lens, it is necessary to use special glasses cloth to wipe it. If there are some foreign matters on the mirror surface, such as sand, don't use this glasses cloth to wipe it directly. You should wash it and then wipe it.

When removing the frame, it's better to take it down with both hands at the same time. The mirror of the glasses should not be directly placed on the desktop. It should be directly placed in the glasses box after taking it down. Don't put the frame of the glasses in a place with high temperature or direct sunlight. This high temperature will cause the frame to deform. Then try not to let the frame touch some chemicals, cosmetics or sweat. It may cause the frame to age, accelerate or deform.

Do you know how to maintain your glasses now? 

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A good match can not be separated from accessories, of course, in summer, the most worthy of mention is sunglasses. In this quarter, both trendsetters and stars chose cat's eye sunglasses. A simple cat's eye sunglasses can enhance the three-dimensional sense of face shape and make your facial features full of tension. How can you miss it this quarter as a trendsetter?

The round face Gigi cleverly matches a full black cat's eye glasses in a black body, elongates the facial line, and is full of momentum in an instant.

Horsetail with a white edge cat eye glasses, cool girl both visual sense.

High waisted shorts + striped suit coat + flat triangle cat's eye glasses, how beautiful they are.

The cat's eye glasses with soft radian and a blue dress make you very fresh

Kendou, who is full of bright spots all over her body, burned her purse a while ago, but we should not neglect her cat's eyes. Oh, "tinted glasses" are also good!

Of course, white T is the best partner for black cat glasses.

Katy Perry, with her short hair cut, is more feminine. A pair of blue cat's eye glasses and a blue sports dress make her fresh and refreshing.

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One minute understanding of polarizers

Polarized light can be divided into three types: linear polarized light, elliptical polarized light and circular polarized light. Generally, the so-called polarized light refers to linear polarized light, also known as plane polarized light. The vibration of this kind of light wave is fixed in a specific direction, the propagation path in space is a sine curve, and the projection on the plane of vertical propagation direction is a straight line.

Principle: when the polarizing filter lens is filtered, it is filtered by the shutter structure of black crystal, and the remaining useful vertical light enters into the eyes, so as to block the reflected light, and feel comfortable and clear.

Usually, sunlight shines in all directions. When it hits an object, the light will reflect back to form two kinds of light, horizontal and vertical. Horizontal light will cause dazzled random reflection light. Polarized glasses can filter these reflected light. In fact, it is composed of seven layers of thin sheets.

Polarized light filter layer is made according to the polarization principle of light. Its material is composed of vertical molecules (the principle of louver), which can filter the dazzling reflected light and scattered light, and make the disordered light into parallel light into the eyes, thus having the function of eliminating glare, more effectively weakening the strong light and making the field of vision clearer.

There are too many light sources in life that will produce harmful light, especially sunlight. The light emitted from sunlight includes visible light, infrared light and ultraviolet light.

Polarizing sunglasses have the function of polarizing light, so they can block all harmful light without affecting the transmission of visible light, and can really achieve the function of eye protection.

Generally speaking, polarizers play the role of blinds, blocking the strong light so that people can see the object more clearly. You can wear polarizers in your daily life, whether it's sailing, outdoor activities or driving out at night.

In the summer with dazzling sunshine and frequent thunderstorms, remember to put a pair of polarized sunglasses in the car.

Polarized lenses are universally recognized as suitable for driving. When light is emitted from the surface of an object, it is partially polarized to produce glare. The reverse effect of glare: to enhance brightness and reduce color saturation; to blur the outline of the object and make the eyes tired and uncomfortable. The polarizer is made according to the polarization principle of light. It has the special function of effectively eliminating glare, filtering the disordered light, improving the driver's vision and increasing the driving pleasure.

The polarizing lenses are also classified, and the optical level is the highest level of the solar lenses. It requires that the "sphericity" and astigmatism of the lenses be "0". It also requires that the flat curvature conform to the European standard CE. The polarizing lenses can ensure that people who drive for a long time can maintain the best visual sense.

Classification of Polarized Sunglasses

Polarized sunglasses can be divided into:

Ski goggles

Fishing glasses

Polarized driving mirror

Outdoor sports mirror

Golf glasses

Because polarizers can block harmful light 100%, outdoor activities, such as skiing, fishing, water activities, etc., can completely block harmful light sunglasses to avoid glasses injury or fatigue.

How to distinguish polarized sunglasses?

1. A mobile phone with liquid crystal display, through the polarized sun lens to observe the liquid crystal screen, and rotate the screen at the same time, the liquid crystal screen seen will turn black with the rotation of the polarized sun lens, which is caused by the polarized sun lens filtering the light in the scattering direction from the screen.

2. In outdoor, the role of polarizers is obvious, which can be used to distinguish polarizing sunglasses from ordinary sunglasses.

Polarizing mirror test card, through the polarizing sunglasses, you can see the figure that the naked eye can't see. 

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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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