Frame and Lens Consideration of Children’s Eyeglasses
Nowadays, vision problems including nearsightedness and farsightedness commonly occur in children. It is widely believed that these types of vision imperfection are caused by improper use of children’s eyes during their study and other entertainment activities such as watching TV. Since children’s eyes are immature, eyeglasses are the mostly suggested solution to correct their vision problems. One concern is that children’s eyeglasses have considerably changed in number and styles, causing a potential confusion in parents. There are some things that should be clear in the mind of parents who want to buy eyeglasses for their children.
A simple criterion is to follow the instructions or directions of the optician based on the prescription of the child. In general, there are two groups of children who need to wear corrective eyeglasses. One is required to wear glasses only when reading the black board in class, writing at home and the like. The other group is advised to have glasses on constantly. This classification is depends on the severity of vision problems.
It is widely known that a heavy prescription always requires a pair of thick lenses which is matched with the latter group aforementioned. In this case, small frames are preferred so as to maintain the accuracy of vision correction. Actually, lenses thickness decided by prescription has a direct impact on frame style. The final decision should be made by the optician.
Another significant aspect is lens type. Among the various lens materials in the market, polycarbonate is the best for children. This material is also widely used to make bulletproof glasses and windows. Polycarbonate is considered as the sturdiest material available for making eyeglass lenses. Children may frequently drop their eyeglasses during entertainment. Polycarbonate lenses are scratch resistant. They are naturally UV blocking. What’s more, glasses made of polycarbonate are much lighter than that are composed of regular plastic or glass.
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