Doctor insights on:
What Drugs Can Damage Eyesight And Lead To Blindness
Vision impairment and blindness are conditions in which a person cannot see well or see at all, even with glasses or contact lenses. If a person's best vision (with correction) out of either eye is only 20/70 - 20/200, he is impaired. If he can see no better than 20/200 or his visual field is no more than 20 degrees (severe "tunnel" vision), ...Read more
My eyesight is -4 with cylinderical -1. Can it be made 20/20 by any mean. How poor eyesight can lead to blindness?
Should be ...: Correctable with glasses or contact lenses, or even laser eye surgery. If not correctable then there are other things going on the prevent this like a cataract or retina abnormalities. You need a good pomprehensive eye exam, this will determine what is going on with your eyes. ...Read more
Lasik eye sugery. Is that safe? What's the risk. Will it lead to even worse eyesight or blindness?
Very safe: This is now a well worked out procedure. The major risk is the development of eye dryness afterwards. Rarely the final power is a little off but can be touched up if needed. Changes for the worse in eyesight are extremely rate and blindness has not been reported in millions of cases. ...Read moreSee 1 more doctor answer
Powders & Potions: Wood alcohol (methanol) can contaminate moonshine whiskey and lead to rapid, permanent vision loss. Tobacco-alcohol amblyopia is a vitamin deficiency that may be partially reversible. Talc powder, as a contaminant of intravenous drugs, can cause capillary occlusion in the retina. Marijuana and hallucinogens alter the visual experience, but do not cause vision loss. Mj is good for glaucoma. ...Read moreSee 2 more doctor answers
Regular check up: With no risk factors you only need to have an occasional eye examination. If you have eye disease in the family, have symptoms related to the eyes, or have certain systemic illnesses like diabetes, then you should be seen often. In addition a healthy lifestyle and diet, and protection of the eyes from injury can also add to the eye protection you seek. ...Read more
Surgery the trauma?: An implant: one such device is the creation of shawn kelly from carnegie mellon university in pittsburgh, and the result of a decade's worth of research. It is made up of two tiny cameras attached to a pair of glasses which send images to a computer chip attached to the patient's eye. The chip turns the images into an electrical current sent along a wire to a film inserted behind the retina. ...Read more
Sight is the sum of the light receptive and integrative capacity of the eye including best vision, color vision, night vision, depth vision, field of vision and the ability to track objects in motion. An ophthalmologist can measure these and determine the function of ...Read more
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