[Introduction to sunglasses]]

Sunglasses are a kind of vision health care supplies to prevent the damage to human eyes caused by strong sunlight stimulation. With the improvement of people's material and cultural level, sunglasses can also be used as special ornament for beauty or reflecting personal style.

[Common sense of use]]

Improper wearing of sunglasses is easy to suffer from eye diseases, and there is no need to wear sunglasses when the light is dark in cloudy days and indoors. Some people wear sunglasses even in dusk, evening, watching movies and TV regardless of the occasion, which will inevitably increase the burden of eye adjustment and cause eye muscle tension and fatigue, it can cause vision loss, blurring of vision, dizziness and other symptoms in severe cases. It is not suitable to wear sunglasses for infants and children who are not well developed in visual system. In addition to glass cover sunglasses, other sunglasses lens materials have low wear resistance. Users should always pay attention to the surface of sunglasses and replace them in time when wear affects the clarity.

[Maintenance of sunglasses]]

The dazzling sun glasses makes you active in the sun and free. In fact, the sun can block the sunshine glasses, but it can't stop the pollution damage, so we should take care of it carefully, so as not to lose face. The way to maintain the sun glasses is just like maintenance. Glasses, cleaning, folding and storage should form habits. However, sun glasses is often taken off and worn, and it will scratch accidentally. Therefore, there are some small details to remind you: when sun glasses has stains and adhesion, don't use nails to pick it, it will easily scratch the surface. When the sun glasses is not worn, many people will hang it on their heads, collars or pockets conveniently. At this time, the range of body movements should not be too large to avoid tearing or damaging. Or someone will put it in the handbag. It is recommended that you put it in the hard glasses case first, and then put it in the handbag, so as not to be worn by small things such as keys, combs, Copper Board, or infected with cosmetics such as lipstick. The sun glasses worn by drivers is often conveniently placed on the dashboard or seat without wearing it. This is a very bad habit. Hot weather will bake the sun glasses out of shape, especially for plastic mirror frame, it is better to take it off or collect it in the glasses storage box. No matter where you collect sun glasses, be sure to remember that the mirror face up.

[Glasses protection]]

1. One-hand removal will damage the left-right balance of the frame and cause deformation. It is recommended that you hold the glasses legs with both hands and remove them in parallel directions along both sides of the cheek.

2. Generally, the left mirror leg is folded first when taking and wearing, which is not easy to cause frame deformation.

3. It is recommended to rinse glasses with clean water and use paper towel to absorb water, and then use special glasses cloth to try to wipe. It is necessary to hold side Silk of the frame on one side of the wiping mirror and gently wipe the lens to avoid damage to the frame or lens caused by excessive force.

4. When not wearing glasses, please wrap it with glasses cloth and put it into the glasses case. If it is temporarily placed, please face up the convex surface of glasses, otherwise the lens is easy to wear. At the same time, glasses should avoid contact with corrosive articles such as repellents, toilet cleaner supplies, cosmetics, hair gel, drug s products, and avoid long-term direct sunlight and high temperature (above 60 ℃), otherwise, it is easy to cause deterioration, deterioration and discoloration of lenses and frames.

5. Regularly go to a professional store for plastic adjustment. The deformation of the frame will burden the nose and ears, and the lenses are easy to loosen.

6. Do not use glasses in intense sports to avoid lens breakage caused by strong impact, causing eye and facial damage; Do not use worn lenses to prevent vision loss caused by scattered light; do not look directly at the sun or strongly glare to avoid eye damage.

7. Sun glasses maintenance the dazzling sun glasses keeps you active in the sun and free. In fact, the sun can block the sunshine glasses, but it can't stop the pollution damage, so we should take care of it carefully, so as not to lose face. In fact, the method of maintaining the sun glasses is just like the maintenance glasses. Cleaning, stacking and storage should form habits. However, sun glasses is often taken off and worn, and it will scratch accidentally. Therefore, there are some small details to remind you: when sun glasses has stains and adhesion, don't use nails to pick it, it will easily scratch the surface. When the sun glasses is not worn, many people will hang it on their heads, collars or pockets conveniently. At this time, the range of body movements should not be too large to avoid tearing or damaging. Or someone will put it in the handbag. It is recommended that you put it in the hard glasses case first, and then put it in the handbag, so as not to be worn by small things such as keys, combs, Copper Board, or infected with cosmetics such as lipstick.