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|Glaucoma patients should not wear sunglasses|
Summer, a beautiful and comfortable to wear sunglasses, not only fashion, but also sun eye protection, especially for people with cataracts, keratitis, conjunctivitis, retinal detachment and other eye diseases of the patients, wearing sunglasses can help restore disease . There are 4 classes of patients, however, and should not wear sunglasses eye: the first is the glaucoma patients. Room because of glaucoma, eye circulation disorder, increased intraocular pressure, optic atrophy, visual field defect caused. If you wear sunglasses, because light decrease of patients, dilated pupils, increased ocular barrier housing cycle, so that the already high intraocular pressure further increased, leading to disease progression and even cause blindness.
The second type is inflammation in patients with neuroretinitis. Patients with optic nerve sunglasses exacerbate conduction disorders, rehabilitation disadvantage.
The third category is Semanghuanzhe. Full color-blind person wearing sunglasses does not matter. However, some Semanghuanzhe, they only lack of ability to distinguish colors of several, if color vision makes it more difficult to wear sunglasses.
The fourth category is night blindness patients. Because of their long-term intake of vitamin A deficiency, the body in the dark retinal visual responses are not effective supplement, so in the dim light, the patient's vision will be affected, sunglasses for them is not appropriate.
When choosing sunglasses, consumers should not be too deep color, eye color too deep will not see anything because of the mydriasis, susceptible to angle-closure glaucoma attack, reduce the human eyes ability to distinguish colors of external objects, deepen myopia and so on. To determine the depth of sunglasses, may wish to try to look in the mirror after wearing sunglasses, the pupil of the lens to see their own color be the color than standard lenses.
In the choice of lens color, there is retinal hemorrhage or in patients with macular degeneration do not use the blue and purple lenses because such lenses can block light on the retina damage, and will narrow the field of vision. Light gray lenses have to reduce fatigue, relieve eye effect, a more appropriate eye more white-collar and students. Poor vision or amblyopia wearing yellow lenses can improve the sensitivity of visual cells. The color blindness or color weakness in patients with partial wear red if the red and green lenses to increase contrast.
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