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Blindness is the inability to see or a lack of vision. In the most severe cases, there’s an inability to see even light. It also means that you can’t correct your vision with eyeglasses, contact lenses, eye drops or other medical therapy, or surgery. Sudden vision loss is an emergency. It’s important to seek immediate medical help.
Sep 5, 2019 · Causes. Risk factors. Diagnosis. Treatment. Outlook. Prevention. Overview. Blindness is the inability to see anything, including light. If you’re partially blind, you have limited vision. For...
The most common causes of visual impairment globally are uncorrected refractive errors (43%), cataracts (33%), and glaucoma (2%). [1] Refractive errors include near-sightedness, far-sightedness, presbyopia, and astigmatism. [1] Cataracts are the most common cause of blindness. [1]
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There are several ways to define blindness. Many people regard blindness as inability to see at all or, at best, to discern light from darkness. The National Federation of the Blind takes a much broader view.
Feb 15, 2024 · Blindness refers to the complete absence of vision, even the ability to detect light. It’s impossible to rectify this condition with: Surgical procedures. Medical treatments.
We are the transformative membership and advocacy organization of blind people in the United States. You can live the life you want; blindness is not what holds you back. The National Federation of the Blind knows that blindness is not the characteristic that defines you or your future.
Jan 24, 2023 · Blindness refers to a lack of vision. It can be a symptom of various eye diseases you develop or disorders you've had since birth. You should seek immediate medical attention if you experience a new loss of sight. This article discusses types of blindness, symptoms related to blindness, potential causes, and treatments.
