Contact lenses, which combine vision correction and cosmetic functions, have set off a new fashion trend. The dark, green, fresh, gray and gray temperament are always attracting people to buy them. But in fact, many people are confused about the choice of contact lenses, basically depending on the recommendation of shop assistants and online homework. In fact, only by learning the three principles, we can purchase the right lenses for ourselves scientifically and reasonably.
Principle 1: Purchasing qualified products is a prerequisite. Famous brands which occupy a certain position in the market tend to be more advanced in the selection of raw materials, product development and design, manufacturing process, and more secure in quality and after-sales. Therefore, the purchase of contact lenses must go to the business licensed to purchase medical devices, try to choose a formal brand.
Principle 2: It is more reliable to accept professional examination. In foreign countries, the purchase of contact lenses requires a prescription from a doctor, which just shows that the matching of contact lenses is not a sloppy thing. Although there is no prescription in China, it is necessary to go through the detailed examination of ophthalmologists to confirm the exact degree and corneal data in order to determine whether contact lenses are suitable for wearing. Later, regular reviews should also be conducted. Once severe redness and pain occur, timely treatment is necessary.
Principle 3: Choose products according to needs. The frequency of wearing should be taken into account when choosing the type of discarding. In order to be safe and healthy, short-period lenses should be chosen as far as possible. If the eyes are easy to dry, then you can choose low water content lenses to reduce water evaporation. Whether the eyes are sensitive or not, we recommend choosing high oxygen permeable lenses as much as possible.
In any case, the purchase is only the first step, follow-up care and maintenance process is also essential, also determines the health and safety of the eye.