How to choose sunglasses for myopia
When choosing sunglasses for short-sighted people, you need to consider the diopter of the glasses. It is simple to choose to wear a layer of sunglasses in addition to myopia glasses, but the lenses are heavier, and the double-layer lenses are cumbersome, and are easy to shift or fall off during strenuous exercise. With a pair of sunglasses with myopia, the advantage is that it is lighter, more beautiful, and easy to fix.
Patients with low or moderate myopia can wear ordinary, non-diopter sunglasses without compromising safety. For patients with high myopia, it is safe to wear sunglasses with diopter.
Sunglasses not suitable for myopia
- The circle shape is too large, which affects the visual effect
- The lens cannot restore the best effect
- The bearing capacity of the ring wire is not enough
- The groove shape and the lens cannot be perfectly fitted
The groove type of regular sunglasses is U groove, which is no problem for flat lenses, and the stability and firmness are very good. However, when the lens is replaced with a prescription, there will be "rejection" between the U groove and the lens. Even if it is reluctantly installed temporarily, it looks good at the time. The phenomenon of cold shrinkage appeared. The original matching in summer was just right, but in autumn and winter, the lenses suddenly fell off.
How to choose sunglasses for myopia
- About the depth of color
Sunglasses that are too light in color have little filtering effect, and those that are too dark affect vision. Many users think that brown, gray, and dark green are more moderate. They filter light better, and when wearing glasses, the scene you see will only be darker without noticeable chromatic aberration.
- Appearance inspection
In addition to the lens can not have scratches, impurities, bubbles, stripes, we must pay attention to whether the lens has anti-UVA, UVB function, only with these functions can play the role of anti-ultraviolet.
- Comfortable to wear
When buying sunglasses, don't blindly follow the trend, but also choose the size and curvature of the glasses according to your face shape. In addition, when trying it on, it is necessary to check whether there is dizziness, whether the dialysis degree is high or not, and it is better to have the polarizing function.
