Lens to four, carefully choose the lens, a look at whether the glasses enterprise has obtained the Glasses Usa Shipping Time product production license; Second, the optometry equipment and testing instruments of the eyeglasses enterprise have qualified marks; Three to see whether optometry, production personnel with certificates; Four to see whether the Can You Return Glasses have qualified mark (certificate). The quality of the lens is an important factor to determine the quality of a pair of Kids Eyeglasses. At present, there are optical glass, resin, Mr Lens and PC lens on the market. Ordinary Kids Glasses lenses are cheaper and scratch resistant but heavier; Resin and PC lenses are lighter and not easy to break, especially PC lenses, can get rid of the rhinitis and headache caused by compression of the bridge of the nose pain, while the love of sports is safer. MR lens is a high refractive index lens material with balanced performance index. The lens is thin and thin, with clear vision and high pressure resistance. The lens is not easy to be damaged. From the point of view of aesthetics, the lens with high refractive index should be selected for height number.
2022年5月26日星期四
2022年5月9日星期一
Pay attention to wearing glasses
When myopia is higher than 100 degrees, it is recommended to wear glasses. At this time, without glasses, the daily use of eyes will be more tired, in order to see the blackboard, often consciously or unconsciously low squinting, as a result, the eyes will be more tired, leading to deeper myopia. Wearing Glasses Usa Shipping Time, look at the blackboard is not tired, so but to protect the eyes, myopia deepen speed greatly reduced.
The conclusion: Can You Return Glasses? Not wearing glasses can make myopia worse, but wearing glasses can protect the eyes, delaying or controlling the progression of myopia. By the way, remind young friends: medical optometry is the key, take optometry prescription in the regular optometry shop or hospital with Kids Eyeglasses room matching. Not the more expensive the better, suitable for their good. Never buy Kids Glasses by measuring the degree in a roadside optometry shop.