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Children's sunglasses should pay attention to what aspects?

by:Eugenia     2020-08-08
1. Uv block is not enough, can't play the role of eye protection. Recommended reading: fashion sunglasses recommend 2 children. Normal light color too deep, not enough light transmittance, restricted the development of vision, eye fatigue. 3. The lens design, weight, bad shape design 4. Enough lens strength, impact resistance, easily broken, stabbed 5 children. Frame softness is not enough, did not use the elastic ring head type, wearing uncomfortable, easy to slide the American academy of ophthalmology, and without the use of the sun glasses set a minimum age limit, academy of pediatrics suggested more than six months baby wear compliance of sunglasses to protect your eyes, so the baby's hair drying pattern is right sunscreen cap + sunglasses for children: 1. The lens block 99-100% uv ( UVA and UVB) 2. Want to choose light transmission than the big 3 sunglasses. As far as possible choose to have polarized lens ordinary sunglasses is to protect the eyes from uv damage; Polarized lenses are due to have polarization properties, so can be completely cut off because of scattering, inflectional, reflection and dazzling glare caused by various factors, such as, but not influence through visible light, can truly achieve the purpose of protecting our eyes. Polarized sunglasses in addition to the basic uv protection function, but also has anti glare, pavement reflect light, the surface scale of light. For children, can effectively filter noise, light glare, avoid the light damage to the child's eyes, eye protection effectively, reduce fatigue. Polarized lenses to help reduce the glare. 4. Choose safety sunglasses sunglasses lens has a certain strength, to prevent accident, hit after lens rupture hurts my eyes. Sunglasses testing project also has a shock resistance. For the children's sunglasses, because children and active nature and characteristics of the self-control ability is poor, the possibility of unexpected circumstances will be bigger, so the children have sunglasses to shock resistance, reduce the security hidden danger. 5. Sunglasses lens color choice, children should not be too deep color, especially not choose candy color can choose brown or gray. Gray lenses provide a more natural visual quality, and the brown lenses can help filter against eye health shorter-wavelength blu-ray 6. Picture frame, wearing comfortable, soft and have certain elasticity, not easy to slide 7. Lens material, optimizing the following two, toy sunglasses plastic lenses, glass lens polycarbonate material: bad polycarbonate lens itself can block 100% uv, impact resistance and transparency is very good, second only to the polyurethane. Cheap, light, no friction resistance, therefore also need sticker polyurethane material: is superior impact resistance performance and optical transparency. Good elasticity, light, but more expensive? 吗?
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