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- Blind: Vision of 20/400 or worse with correctionEEOC: Questions and Answers About Blindness and Vision Impairments...
- Legally blind: Vision of 20/200 or worse with correctionEEOC: Questions and Answers About Blindness and Vision Impairments in the Workplace and the Americans with Disabilities Act
- 21.2 million Americans reported as having significant vision loss (2006)American Foundation for the Blind: Facts and Figures on Americans with Vision Loss (2008)
- 1.3 million Americans legally blind (1994)American Foundation for the Blind: Facts and Figures on Americans with Vision Loss (2008)
- 57,696 legally blind U.S. children (2007)American Foundation for the Blind: Facts and Figures on Americans with Vision Loss (2008)
- 7% of Americans over 80 are blind (2004)National Eye Institute: Prevalence of Blindness Data
- 7,000 Americans use guide dogsAmerican Foundation for the Blind: Facts and Figures on Americans with Vision Loss (2008)
- 161 million Americans visually impaired in 2002
- 1784: First school for the blind established in FranceAmerican Action Fund: History of Blindness
- 1820: Louis Braille invents tactile "reading and writing" systemAmerican Action Fund: History of Blindness
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Blindness is a medical condition involving the loss of sight that can be congenital, or acquired due to disease or accident.American Foundation for the Blind: Numbers of Legally Blind Americans
Causes of Blindness
Vision involves both the eyes and the brain. A problem anywhere in the system can interfere with the processing of light and images that enables a person to see, causing visual impairment. Blindness can be experienced as total darkness, or as the inablility to perceive anything but light and shadows.KidsHealth: Blindness Some conditions that can cause blindness are: cataracts, glaucoma, uveitis, macular degeneration, diabetic retinopathy and apraxia of the eyelid.National Federation for the Blind: Diabetes Action NetworkLeber's Congenital Amaurosis
Leber's congenital amaurosis is the cause of the blindness experienced by Scott MacIntyre, a contestant on the eighth season of American Idol, and his sister.Phoenix New Times: Scottsdale's Scott MacIntyre (January 13, 2009) It is an inherited disease of the retina that is caused by a problem in the photoreceptor cells that accounts for 10-18% of all cases of congenital blindness. Not all individuals with the disease are totally blind, some have vision as good as 20/70.TSBVI: Leber's Congenital AmaurosisLeber's is a recessive trait, so both parents must carry the gene for the child to be affected.TSBVI: Leber's Congenital Amaurosis
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Blindness Questions
Have you ever gon on a blind date and the person you meet is just as attracted to you as you are to them? 1 AnswerYes. And we've been together for almost 10 years now. We were set up when I was just 19 and he's 20 then. We were inseparable ever since. read more
Where can I find some computer resources for blind people? 1 AnswerThe: School for the Blind, in Grand Forks, North Dakota 58201 read more
What is the brand name of the computer used by Blind people? 3 AnswersI'm not in a position to answer this question fully right now. But needless to say visually impaired individuals us the same equipment and OS's everybody else d... read more
Will you participate in my color blind test? 15 AnswersFor this test, I see the following, reading from left to right, and top to bottom: 58; 18; E; 17;26;45 I know for a fact I am not color blind in an intere... read more
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Blindness Scientific and Medical Journal Articles
- Pub Med: Blindness: How to Assess Numbers and Causes? (March 2003)
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On Twitter Powered by Twitter
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New blog post: "Churches and Reality Blindness" http://is.gd/1OQjB now
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@shanedavidson20 In some countries, blindness is considered bad, so I know where these people are coming from. tbc
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@iFranhk You say you'll give me Eyes in a moon of blindness A river in a time of dryness
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#youknowyouinlove when your standards do line up with who you are dating. Or is that blindness?
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Spent the morning filming children (with autism, Downs and blindness, as well as typical) playing with our wonderful toys.
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