Special Mic [Selection of the degree number of short -sighted swimming mirror] How to choose the classification of myopia swimming moster in myopia swimming mirror
[Selection of the degree number of short -sighted swimming mirror] How to choose the classification of myopia swimming moster in myopia swimming mirror
How to choose myopia swimming mirror degree
The quality of the swimming glasses is about physical health, and it is more important to myopia goggles.At present, the myopia goggles on the market basically use plastic steel reinforcement treatment and polycarbonate, silicone and other types, and increase the function of waterproof mist and ultraviolet -resistant rays.
The lens of myopia swimming moster is divided into two types: surface microscopy and absolute flat mirror.There is no difference between the style of the surface Microscope and the ordinary swimming glasses. This kind of lens must be affected by a certain refraction underwater. As a result, consumers should pay attention to the operation of a difference.The absolute plane mirror surface is slightly lower than that of the general swimming mirror surface. The advantage of this swimming moster is that there is no different effect in the water due to the refraction.
The choice of these two types of myopia goggles is also different.For example, there is a sable cardia -myopia goggles that belong to the absolute plane mirror. When purchasing, you can directly choose according to your eyes.At present, most of the myopia goggles are mainly surface microscopy. When choosing, consumers should generally consider purchasing 50-100 degrees according to their actual degree.For example, if your myopia is 500 degrees, you should choose a 400 -degree or 450 -degree lens when choosing a swimming moster.
Classification of myopia swimming moster
The first is myopia swimming glasses fixed by the swimmer's myopia.This lens of this myopia swimming moster is exactly the same as ordinary glasses. After the swimmers, including the degree of the swimmers, including astigmatism processing the lens, it is installed in a silicone sealing box.degree.
The second is a separate myopia swimming moster. The principle is to process the frame and the lens separately and assembled, so that the left and right eyes can be different, but it does not include astigmatism. When purchasingThe left and right eyes are selected to be close to the left and right eye swimming components, and then assembled.The market retail price is about 200.
The third is a simpler and more complete integrated myopic swimming glasses, that is, the left and right eye numbers and the frame of the frame are formed. The advantage is that the price is cheap. The disadvantage is that the left and right eye numbers can only be the same, and the workmanship is relatively ordinary.If a friend with a large degree of daily degree is large, it will not be able to adapt to it.
The degree from 200 degrees to 1000 degrees (a unit per 50 degrees, you choose low). If there is astigmatism, it is recommended to convert the astigmatism number to myopia for selection.The choice of Contact lenses is a principle.