Children's sunglasses must choose carefully

u003cbru003eThe recent hot weather makes people afraid to go out. If you must go out, you must make preparations. Sunglasses must be worn well, otherwise the light is too glaring and bad for your health. Some parents will also wear sunglasses for their children. In fact, there are many aspects that children should pay attention to when choosing sunglasses. Wearing inferior sunglasses will get half the result! When choosing sunglasses for children, you should consider the following aspects: nose pads, children’s head It is 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. 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. 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. 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. Children's glasses with frame size 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. The optical quality of the lens selection lens will affect the visual quality, so 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. Prices Most parents think that the more expensive the better, the best for their 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. Three aspects should be paid attention to when choosing glasses: 1. Pay attention to the optometry link. Choose a pair of glasses that are suitable and comfortable to wear. Accurate optometry is a basic factor. Before fitting glasses, check whether the optician's optometry and optician staff have an optometrist or optometrist certificate issued by the Provincial Optical Industry Association; if the optometry is affected by emotional and physical conditions, you should go through two optometry within a few days. Achieve scientific and accurate optometry results. 2. Pay attention to the material selection of glasses. Generally, spectacle lenses are divided into resin, glass and crystal. Both lenses and frames should have a shelf life. If the lenses and frames are imported materials, they should have an import commodity inspection certificate. 3. See the product quality inspection certificate. When buying glasses, be sure to read the product quality inspection certificate, the name of the manufacturer, and the address of the glasses you purchased. At the same time, you must ask for the purchase invoice. Once a quality problem occurs, you can protect your legitimate rights and interests. Related reading: Children's new glasses, children's glasses frame
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