Among the myopic population, a large number of highly myopic patients, those patients with high myopia in the purchase of the Tiffany and Co Charm Bracelet Jewelry Outlet lens, we should pay special attention to it. High myopia in the choice, it is necessary to consider the aesthetics of wear after more attention to the role of eye protection. Which is good so highly myopic lens, which is characterized by high myopia talk from friends.
Highly myopic lens which is good, from the following aspects.
1 as possible for the lens refractive index of 1.60 or greater
Is the refractive index of the lens of the light turns capability shows the main parameters of the lens thickness, the current market is the refractive index of the resin lens is generally between 1.49 to 1.74, the higher the refractive index, the thinner the lens, in general, more than 1.60 called thin lenses. So, for people with high myopia, it should choose the refractive index of 1.60 or more lenses. In addition, 1.8 or 1.9 high refractive index glass lenses are also a good choice for patients with high myopia and thinner than resin lenses, but there have been no high-index lenses several domestic production, so they need to customize, the price is not cheap, especially. Also need to be reminded that resin lenses with half-frame Fake Oakleys Frogskins Sunglasses Cheap for Sale glasses, rimless glasses with a more stylish appearance, but for patients with high myopia, it is not recommended with rimless glasses, otherwise the lens look thicker.
2, try not to choose glass lenses
Once dominated the glass lens is the lens material on the market, but with the drawback of glass lenses highlights: fragile, hidden dangers, lens weight, easy on the ear or nose patients formed indentation on young children, in particular, is not easy accepted. Later, the emergence of resin lenses, resin lenses (including the PC universe piece) lens material is a revolution, not easy to form with a light texture indentation, non-friable safer, high temperature, wear comfortable, etc., to get along with resin lenses widely used, glass lenses also slowly withdraw from the market, and the high prices. For safety, youth also choose the best high myopia resin lenses.
3, RGP is a better, more perfect choice
RGP is a rigid gas permeable contact lenses, is more than 600 degrees of myopia and do not want to wear glasses is an ideal choice for patients with high myopia, compared with ordinary wear glasses, RGP image clearer, so that the wearer has wider field of view, better visual quality and fewer constraints. For young students who, Fake Oakleys Gascan Sunglasses Cheap for Sale can effectively control the growth and the correction of high myopia astigmatism, irregular astigmatism.
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