In the previous article, we discussed “What is the biggest size for sunglasses?”. In this article, let’s talk about “What are the best sunglasses for readers?”.
What should readers pay attention to when wearing sunglasses?
When the average person wears sunglasses, the eyes perceive objects differently than they do in normal life. This is reflected in the following two aspects: First, the contrast of the objects the eyes observe is very different. After wearing sunglasses, Many people feel that they can't see as clearly as they would without sunglasses, to see more clearly, they will naturally look hard at the object. So for a long time, the degree of eye fatigue will increase. Eye experts believe that colored sunglasses will make people's eyes in relatively dim light, people's pupils will subconsciously dilate. If people's eyes are in this state for a long time, no matter how good their original vision is, it will deteriorate later on.
Try not to wear polarized lenses.
The polarizing lens is mainly used for driving, eliminating dazzle. Polarized lens is made according to the principle of the polarization of light, filtering disordered light, so that drivers can improve vision, and add driving fun. They are suitable for fishing, driving, sports, sailing, skiing, hunting, and other occasions. Our eyes look different when we're looking far away than when we're looking close. If we look close for a little longer, because it is muscle fatigue, there will visual fatigue problem. Nowadays, in the era of the mobile Internet, our eyes are staring at the mobile phone all day long. When the lens is equipped with a special close working lens, it can add anti-blue light film to strengthen the moderate blocking of blue light.
Don't wear inferior sunglasses.
The ultraviolet rays of sunlight can be partially blocked by the lenses of sunglasses, medical research proves that ultraviolet ray is absorbed by the lens after first spread out. Therefore, after wearing sunglasses, the pupil will be in a state of flickering, big and small, this is the reason people just feel uncomfortable. If you wear sunglasses all day, regardless of the outside environment, it will harm your eyes. Do not buy inferior sunglasses. Some sunglasses are shoddy, and it contains myopic degree even, so the long-term wearing is bound to cause serious harm to people with normal vision. If it is in an environment that ultraviolet is not too strong, you should take off the sunglasses in time.
Choose the right color.
Grey is the most common one in the lens and can be balanced absorption of any chromatography. They will only darken when you look at the scenery without obvious color differences and can show the true natural feeling, suitable for most people. Green lenses can increase the green light on the eyes, making the wearer feel cool and comfortable, suitable for eye strain. Anyhow, everyone should choose sunglasses according to their specific situation and need. The patient with eye disease should choose the best sunglasses according to the suggestion of an ophthalmologist so that they can protect health.
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