No matter how beautiful your eyes are, or how ugly looks, more than one sunglasses protection, not only reduces the UV poison, but also increase the personal charm index. Mystery is only in the sunglasses on the eyes of the moment.
Sunglasses Advantages: to prevent UV, dust, better protection of the eyes! Disadvantages: Although the sun can be part of the sun mirror lens blockade, but medical research shows that ultraviolet light is first absorbed by the lens after the divergence out, so, after wearing sunglasses, Sunglasses the pupil will be in a flickering, suddenly Big suddenly small state, which is just after people wearing sunglasses will feel the cause of discomfort. If you ignore the external environment changes, wearing a sunglasses all day, it will cause harm to the eyes. The United States doctor advised people to choose sunglasses must be careful, do not want to buy cheap low sunglasses, Sunglasses some sunglasses shoddy, and even with their own degree of myopia, once long-term wear, is bound to normal vision of the people Causing serious injury. If the UV is not strong in the environment, it should be timely off sunglasses. At the same time, for the sake of insurance, people suffering from glaucoma, color blindness, night blindness and optic nerve retinitis is better away from sunglasses, vision degradation in the elderly and optic nerve fragile preschool children, at any time should not wear sunglasses.
Speaking of sunglasses, Sunglasses many people first impression is nothing more than fashion personality and anti-ultraviolet two points. Indeed, sunglasses as one of the glasses products, mainly to protect the eyes from ultraviolet light, light and other harmful light stimulation. Because of this, sunglasses in the hot summer sun more sought after by consumers.
Generally from the functional point of view, sunglasses lenses can be divided into ordinary shading sunglasses, polarized sunglasses and night vision goggles. Ordinary shading sunglasses is the most common, for ultraviolet and strong light and other effective to prevent a certain effect, Sunglasses and style design more fashion sense, so many friends like to use as a shape with.
Polarized sunglasses is more common than ordinary sunglasses, it can block the common glare in life, so that the vision is more clear, is the driver of choice for friends.
At present, the market a lot of sunglasses brand, much consumers welcome, and most of the brand products are common models and polarizers are. However, some consumers will choose cheap stalls for 10 yuan, 20 yuan or so of sunglasses products, often not only can not give eye protection, Sunglasses but because of the visual continued dark and can not effectively prevent harmful light and affect eye health. Whether it is as a decoration, or as a practical, small can recommend that we all choose a regular brand of sunglasses products, Sunglasses which is responsible for their own eye health.