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【Sunglasses Introduction】
Sun glasses are visual care products designed to prevent damage to the eyes caused by intense sunlight. With the improvement in people's material and cultural standards, sun glasses can also serve as special accessories for beauty or to showcase personal style.

[Common Sense Usage]
Improper use of sunglasses can lead to eye problems. There is no need to wear them in overcast weather or indoors with dim lighting. Some people wear sunglasses regardless of the situation or sunlight intensity, even at dusk, evening, or while watching movies and TV. This inevitably increases the burden on the eyes' adjustment mechanisms, causing eye muscle tension and fatigue, blurred vision, and in severe cases, dizziness and lightheadedness. Babies and children, whose visual systems are not fully developed, should not wear sunglasses. Apart from glass lenses, other types of sunglasses have lower wear resistance. Users should regularly check the surface condition of their sunglasses, and replace them promptly if wear causes blurred vision.
【Sunglasses Care】
The dazzling sunglasses allow you to stay active under the sun, offering great freedom. In fact, sunglasses can block sunlight, but they cannot protect against pollution damage; therefore, they need careful care to avoid losing their value. The way to maintain sunglasses is similar to maintaining regular glasses—cleaning, folding, and storing them regularly. However, since sunglasses are worn frequently, they can easily get scratched, so there are some details that require special attention: when dirt sticks to the lenses, do not use your fingernails, as this can easily scratch the surface. When not wearing sunglasses, many people hang them on their head, collar, or pockets. Be careful not to move too much, as this may cause them to break or get damaged. Some people also put them in a handbag. It is recommended to first place them in a hard case before putting them in a bag, to prevent the lenses from being worn down by keys, combs, or coins, or from getting contaminated by lipstick or other cosmetics. For drivers, it is not good practice to leave sunglasses on the dashboard or seat when not in use. Hot weather can heat up the sunglasses, especially the plastic frames, so it’s best to take them off or store them in a glasses holder. No matter where you store your sunglasses, remember to keep the lens facing up.

【Glasses Protection】
1. Wearing the glasses with one hand can disrupt the balance of the frame, causing deformation. It is recommended that everyone hold the armrests with both hands and wear the glasses along the parallel direction on both sides of the cheeks.

2. When putting on the glasses, it is usually better to fold the left lens legs first, which reduces the risk of frame deformation.
3. It is recommended to rinse the glasses with clean water, dry the moisture with a paper towel, and then use a dedicated glasses cloth for testing wiping. Support the edge of the frame on one side while gently wiping the lenses to avoid damaging the frame or lenses due to excessive force.

4. When not wearing glasses, wrap them in a lens cloth and place them in the glasses case. If storing temporarily, ensure the convex side faces up, otherwise the lenses may be scratched. Additionally, avoid contact with corrosive substances such as insect repellents, toilet cleaners, cosmetics, hair gel, and medications. Also, prevent long-term exposure to direct sunlight and high temperatures (above 60°C), as this may cause deterioration, corruption, or discoloration of the lenses and frames.


6. Do not use glasses during intense physical activities to prevent the lenses from breaking due to strong impacts, which could cause eye and facial injuries; do not use worn-out lenses to avoid color distortion that may lead to vision loss; do not stare directly at the sun or intense bright light to protect your eyes.
7. Maintenance of sunglasses The dazzling sunglasses allow you to shine in the sunlight and enjoy great freedom. In fact, sunglasses can block sunlight, but they cannot protect against pollution damage. Therefore, they need careful care to avoid losing their value. The methods for maintaining sunglasses are similar to those for regular glasses—cleaning, folding, and storing them should be practiced regularly. However, since sunglasses are worn frequently, they may get scratched if not handled carefully. Here are some tips: when dirt sticks to the lenses, do not use your fingernails, as this can easily scratch the surface. When not wearing sunglasses, many people hang them on their head, collar, or pockets. Be careful not to move too much, as this may cause the glasses to break or get damaged. Others store them in handbags. It is recommended to place them first in a hard case before putting them in a bag, so they are not worn down by keys, combs, or coins, or contaminated by lipstick and other cosmetics.