u003cbru003eIt’s human nature to love beauty. Now children also love to dress up. Some parents like to buy sunglasses
for their children. They look cool, but sunglasses
are actually not suitable for children under 6 years old. , There are six points to pay attention to when purchasing. Why can’t a child who is too young wear sunglasses? 1. Because the baby is in a critical period of visual development, more bright light and clear objects are needed to stimulate visual development. Wearing too much sunglasses can lead to unclear retina imaging and macular spots. If the area cannot be effectively stimulated, it will affect the further development of vision. In severe cases, it may even lead to amblyopia. 2. In addition, the quality of sunglasses on the market is uneven, and the baby wearing sunglasses may not be able to really shade the sun. On the contrary, it will affect the baby's vision development and cause eye diseases such as hyperopia and myopia. Therefore, to be cautious, it is not recommended to wear sunglasses for babies who are too small. Which six points should be paid attention to when purchasing? 1. Frame material: The material of the frame is mainly divided into metal frame and plastic sheet frame. Most children are active, and they are more casual about taking off, wearing and placing glasses. The metal frame is easy to deform and break, and the metal frame may cause skin irritation. The plastic frame is not easy to change or damage. 2. Lens selection: The optical quality of the lens will affect the visual quality. Therefore, children’s glasses should choose lenses with good light transmittance to avoid inferior lenses from aggravating myopia. From a safety point of view, children should choose safe, non-breakable resin lenses instead of glass sheets, so as to avoid eye injuries caused by broken lenses. 3. Weight: You must pay attention to the weight when choosing children's glasses. Because the weight of the glasses directly acts on the bridge of the nose, if they are too heavy, it is easy to cause soreness in the bridge of the nose, which may lead to degeneration of the nasal bone in severe cases. Therefore, the weight of children's glasses is generally less than 20 grams. 4. Frame size: Children's glasses should have enough sight area. Because children have a wide range of activities, try not to choose frames that will produce shadows and blind spots in the line of sight. If the frame is too small, the field of view will become smaller; if the frame is too large, it is easy to wear unstable and the weight will increase. Therefore, children’s eyeglass frames should be of moderate size. 5. Nose pads: children’s heads are very different from adults, especially the height of the nose bridge. Most children have lower nose bridges. Therefore, it is best to choose glasses with high nose pads or adjustable nose pads for children’s glasses. frame. Otherwise, the nose pads of the frames are low, and the glasses are easy to stick to the eyeballs, or even touch the eyelashes, causing eye discomfort. 6. Price: Most parents think that the more expensive the better, the best for children. In fact, the refractive power of children's eyes changes relatively quickly, and it is often replaced in half a year to a year. From an economic point of view, it is more important to choose the right price. The above information is compiled and edited by the editor. For more knowledge of glasses, please check. Website: https://www.yichao.cn/ Related reading: Children's new glasses myopia polarized sunglasses
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