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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.
Aug 10, 2023 · 10 August 2023. Key facts. Globally, at least 2.2 billion people have a near or distance vision impairment. In at least 1 billion of these, vision impairment could have been prevented or is yet to be addressed. The leading causes of vision impairment and blindness at a global level are refractive errors and cataracts.
Sep 25, 2023 · Takeaway. Blindness is usually due to age-related conditions such as macular degeneration, glaucoma, or cataracts. But other rare conditions can also cause blindness in people of all ages. More...
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.
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.
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.
Blind people are normal people who lack eyesight and use some different methods to get things done. With our help, you can live the kind of life you want.
