u003cbru003e1. The UV blocking is not enough to protect the eyes. Recommended reading: recommended for fashionable children's
sunglasses 2. Too dark color, insufficient normal light transmittance, resulting in limited vision development and eye fatigue 3. Lens style, weight, shape design is poor 4. Lens strength, impact resistance is insufficient, easy to break , Stab the child 5. The frame is not soft enough, does not use the elastic ring head style, is uncomfortable to wear, easy to slip off. The American Academy of Ophthalmology does not set a minimum age limit for the use of sun
glasses. The Pediatric Society recommends infants over six months old Toddlers wear compliant
sunglasses to protect their eyes, so the correct way to get a baby is sun hat + special
sunglasses for children: 1. The lens blocks 99~100% of ultraviolet rays (UVA and UVB) 2. Choose a large light transmittance ratio Sunglasses 3. Try to choose polarized lenses. Ordinary sunglasses protect the eyeball from UV damage; polarized lenses can completely block the dazzling glare caused by various factors such as scattering, refraction, and reflection due to their polarizing properties. It does not affect the transmission of visible light and can truly protect the eyes. In addition to the basic anti-ultraviolet function, polarized sunglasses also have anti-glare, road reflection light, and water scale. For children, it can effectively filter stray light and glare, avoid the damage of strong light to children's eyes, effectively protect the eyes and reduce fatigue. Polarized lenses help reduce glare. 4. Choose sunglasses with safe materials. The lens of the sunglasses should have a certain strength to prevent the lens from being impacted from breaking and hurting the eyes in the event of an accident. One of the inspection items of sunglasses is impact resistance. For children's sunglasses, due to the children's active nature and poor self-control ability, the possibility of accidents will be greater, so children's sunglasses must have impact resistance and reduce safety hazards. 5. In the choice of lens color, children's sunglasses should not be too dark, especially candy color. You can choose brown or gray. Gray lenses provide a more natural visual quality, while brown lenses can help filter short-wavelength blue light that is harmful to eye health. 6. The frame is soft, comfortable to wear, flexible, and not easy to slip off 7. The lens material, preferably the following two, Plastic lenses and glass lenses for toy sunglasses should not be made of polycarbonate: polycarbonate lenses themselves can block 100% of ultraviolet rays, with good impact resistance and transparency, second only to polyurethane. It is cheap, light, and not resistant to friction, so it needs to be filmed. Polyurethane material: excellent impact resistance and optical transparency. Good elasticity, light, but more expensive?? Related reading: Children's sunglasses
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