1. The human body has an instinctive reaction to self-protection. When the eye encounters strong light, the pupil will naturally become smaller, so that the ultraviolet energy entering the eye is reduced. Once the glasses without anti-UV function are worn, the pupil will be enlarged, plus this. The glasses do not have the effect of isolating ultraviolet rays. At this time, the eyes are wide open to the portal, and the ultraviolet rays can be entered. The damage to the eyes can be imagined.
2. Sunglasses can block ultraviolet rays because a special coating film is added to the lens, and the inferior sunglasses can not only block the ultraviolet rays, but also cause the lens transmittance to be seriously reduced, so that the pupils become larger, and the ultraviolet rays will be injected in a large amount. Eye damage. In addition, inferior lenses also cause nausea, forgetfulness, insomnia and other visual fatigue symptoms.
3, the color of the sunglasses is light gray, brown or light smoke, followed by green, amber, blue, etc. Red is only used as a sunbathing or snow.
4, it is best to use polarized sunglasses when riding a car, because they can reduce the glare of glare.
5. If you can see your eyes very clearly after wearing sunglasses, your lens is too light.
6. When the sun goes down, it is best to remove the sunglasses. Otherwise, our vision will be affected in places with weak light.
7, should go to the regular optical shop to choose the regular manufacturers to produce sunglasses with anti-UV function.
8. Pay attention to the surface condition of the lens when selecting.
9, when buying sunglasses, you can judge according to whether the object is clear. To buy quality sunglasses, the only thing you can do is to buy sunglasses at optical specialty stores and regular optical shops.
10, face modification:
1 Round face: You need a straight or angular frame to weaken your contours. Use a deep, subtle color lens to reduce obesity and make your face look more exquisite.
2 square face: Contrary to the round face, you need some rounded, streamlined frame to set off your extraordinary temperament.
3 triangle face type: Please try to avoid using large frame, square frame, because it will appear wider and narrower on the face, using a thin frame, a round frame, the color is brightest.
4 oval face: You are born to be very suitable for Taiwan sunglasses. No matter what style is right for you, pay attention to the size ratio.
5 rectangular face: You are most suitable for large frame sunglasses, which can make up for the shortcomings of the face length, make the face look more delicate, and the color is mainly dark.