Will children wearing sunglasses affect their eyesight?

u003cbru003eThe eyes are the most sensitive part of ultraviolet rays. If they are exposed to the hot sun without any sun protection, the eyes will absorb ultraviolet rays of various wavelengths, which will cause vision loss and cause ultraviolet conjunctivitis. As a result, sunglasses that can KO ultraviolet rays turned out, not only became a must-have item for fashionable MMs, but also became a weapon for children to protect their eyesight outdoors. But this kind of sunglasses, which have been given a great effect, even makes children's eyesight worse after wearing! It is shocked and crying. Recommended reading: How to choose the right children's sunglasses. Wearing unqualified sunglasses with power will not only affect children's vision, but also induce some eye diseases. Wearing sunglasses with a prescription will affect your child’s vision, and may cause your child’s vision to be blurred or visual fatigue may appear. In fact, unqualified sunglasses may cause a child's vision loss after wearing. If children wear unqualified sunglasses, their pupils will become larger because of the lens blocking, so that the light flux entering the eyes will increase. But because its UV projection ratio is higher than the visible light transmittance, it will cause serious damage to children's eyes, leading to diseases such as keratitis and cataracts. 1. How old is the child to wear sunglasses? For children to wear sunglasses, you can't have a playful mentality, let alone choose sunglasses casually. In addition, if the outdoor temperature is relatively high, it is recommended that children stay indoors to protect their eyes and prevent heatstroke. How old is it for children to wear sunglasses? July and August are the peak travel period. Some parents will take their children out to play. In order to block the glare, they may wear sunglasses for their children. Maybe some parents feed them to make their children cooler. , And put on sunglasses for them. However, children under the age of 7 are not suitable for wearing sunglasses. Children aged 3-6 are the critical period of visual development. Wearing sunglasses at this time may affect visual clarity. Therefore, parents are advised to wait for their children to wear sunglasses after they are 7 years old. In addition, you should not wear sunglasses for more than 4 hours in a sunny outdoor environment. 2. Can you wear sunglasses in children's rooms? Maybe you think that the darker the sunglasses, the better the shading effect. But choosing dark sunglasses is risky. If the sunglasses do not have the function of blocking ultraviolet rays, they are the most harmful to the eyes. In addition, children are not suitable for wearing dark sunglasses indoors. Dark sunglasses are not allowed in children's rooms, otherwise it will damage the eyes. Recommended reading: What is the best material for sunglasses lenses? Because the eyes will dilate the pupils in a dark environment, more ultraviolet rays will be injected into the eyes, which will cause more damage to the children's eyes. In addition, red and orange lenses are not suitable for sunglasses. Red lenses have the worst ultraviolet absorption effect. It is best to choose medium-depth green, gray, brown and other high-quality polarized lenses. 3. Precautions for children to wear glasses Children under the age of 6 are not suitable: if they are to be worn, they should not be worn for too long, otherwise it may affect their vision. When parents wear sunglasses to children, they can put them on when the sun is violent, and take them off in time when the sun becomes weak. Don't be obsessed with sunglasses with dark colors: remember that sunglasses with dark colors do not necessarily mean strong UV protection. The darker the color of the lens, the stronger the shading effect, but shading and UV protection are not the same concept. Whether the lens can protect against UV depends mainly on the lens material and coating conditions. The lens cannot be made of glass: the glass lens has poor impact and low safety. Choose rimmed sunglasses: The size of the frame is as suitable as possible for the child's face, and sunglasses that are as close to the eyes as possible can better block the penetration of ultraviolet rays. But the frame should not be too heavy or too wide. Do not put sunglasses in heating or high-temperature places: do not leave sunglasses on the dashboard of the car for a long time in summer. Related Reading: Sunglasses Color Children's Glasses

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