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Choose sunglasses before four problems that should be paid attention to

by:Eugenia     2020-09-02
Choose a fashionable and practical sunglasses, not only for you when you go out, travel shade from the sun's rays of dazzling, more fashionable collocation outstanding modelling the necessary sheet is tasted. But before you know to choose sunglasses should pay attention to what issues? 1 all can wear sunglasses? The answer is no, because people with certain eye wear sunglasses would be counterproductive. Such as people with angle-closure glaucoma sunglasses will be induced glaucoma; Color blindness, night blindness, wearing dark glasses can make eyesight drops obviously; Children under 6 years old visual function in puberty, wearing dark glasses can lead to amblyopia; Cataract, retinal diseases lead to low vision that don't wear sunglasses. In addition, the old man also do not recommend wearing dark glasses, easy because of the light dimmed produce risk. On the contrary, there are some people must wear: artificial crystal is placed after cataract surgery, because some eye pupil dilation, and people can do skiing or mountain adventure sports driver, to reduce uv damage to the eyes, had better wear sunglasses. 2 myopia with sunglasses can have it all? Dioptre myopia patients choose sunglasses need to be considered low or moderate myopia can be in general, does not affect the premise of safety wear no diopter sunglasses, and high myopia ( More than 600 degrees) Patients should wear a dioptre sunglasses to safety. 3 choose sunglasses priority? Should be based on function to choose sunglasses, glasses can be divided by function polarizer, sun glasses, sport mirrors. Polarizer: driver, fishing enthusiasts advised to choose a polarizer, can eliminate glare from all directions, make an object look more clear. Cover lens: the cover lens can selectively filtering harmful blue light and the ultraviolet ray, and other visible light through the lens, as much as possible for macular degeneration, diabetic eye disease, wear excimer postoperative patients. Movement: the mirror mirror frames are special, suitable for skiing, mountain climbing. Before wearing sunglasses in the general population, it is suggested that consult a professional eye doctor, choose to have uv protection sunglasses, so as to avoid unnecessary damage. 4 what color sunglasses best for you? The lens color variety, from eye ministry health consideration, at a moderate depth of gray, tan is the best. Lens distortion of color choice should be the color of the surrounding environment, clear edges, can effectively identify different colors of light for the principle. Grey lens for any chromatography can balance absorption, wearing glasses can see scenery will only after dark and do not have clear off color, Dark brown lens can filter out a lot of blue light, can improve visual contrast and clarity, under the condition of air pollution is serious, or foggy wearing effect is very good. Driver wearing lens colour shoulds not be too deep, otherwise will delay visual signals to the brain, causing speed distortion, make drivers make wrong judgment, preferably wearing a brown pair of sunglasses. Above is choosing sunglasses before four problems that should be paid attention to, if you have pursuit of styles and colors of sunglasses, you can also read '2017 fashionable sunglasses design is how to choose', journal of lenses to choose what color good.
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