Glaucoma bring great harm to the patient, and therefore should actively care prevention, in fact, there are four categories of patients with eye diseases and should not wear Discount Oakleys Flak Jacket Sunglasses Cheap sunglasses, the following detailed description for everyone which four eye.
Which four eyes should not wear sunglasses?
The first glaucoma patients. Glaucoma is due to humor circulation disorders, increased intraocular pressure, optic nerve atrophy, visual field defects caused. If you wear sunglasses, patients will decrease because of the light, mydriasis, increased intraocular humor circulation obstacles to the already high intraocular pressure is further increased, leading to disease progression, and even cause blindness.
The second category is neuroretinitis patients. Patients wearing sunglasses exacerbate the optic nerve conduction disorders, rehabilitation disadvantage.
The third category is color blindness. Achromatopsia by wearing sunglasses does not matter. But some Semanghuanzhe, they only lack the ability to distinguish several colors, color vision if wearing sunglasses makes it more difficult.
The fourth category is night blindness patients. Because of their long-term intake of vitamin A deficiency, the body involved in the dark retinal visual response is not effectively supplement, so in dim light, the patient's vision will be affected, tiffany and co outlet sunglasses for them is not appropriate.
Ordinary consumers when choosing sunglasses should not be too deep color, the color is too deep because the human eye will not see anything and mydriasis susceptible to angle-closure glaucoma attack, reduce the human eye 's ability to distinguish color external objects, deepen myopia and so on. Determining the depth of sunglasses, we might try to look in the mirror after wearing sunglasses, could see their pupils regarded than the standard lens color lens colors.
When selecting lens color, patients with macular degeneration or retinal hemorrhage Do not use blue and purple lenses, this lens can block glare because of retinal damage, and will narrow the field of vision. Light gray lenses have to reduce fatigue, relieve eyes role, a more appropriate eye more white-collar workers and students.

Poor vision or amblyopia wearing yellow lenses can improve the sensitivity of visual cells. The color-blind or color weakness if the patient wearing a reddish Cheap Oakleys Frogskins Sunglasses Outlet lenses can increase the contrast of red and green.