The total loss of any one of our natural senses has an instant and devastating effect on a human being’s ability to function. Unfortunately, there are nearly 6.7 million American adults aged 16 and older who have a visual disability making it difficult to engage in normal activities even with the help of corrective lenses, according to the National Federation of the Blind. A total of 20.6 million Americans over the age of 18 have experienced vision loss, 15.3 million of those having suffered significant levels of vision loss, according to a 2012 report issued by the Center for Disease Control’s National Center for Health Statistics.
The eye has a complex engineering enabling the sense of sight which helps us to perceive the world surrounding us. Any complication in the cornea, which refracts light waves around the pupil, or the light-sensitive rods and cones of the eye’s retinal tissue can prove to be debilitating to anyone’s vision. Cataracts, macular degeneration and glaucoma are just a couple of the health conditions that can lead to a loss of vision. Although there are treatments designed to slow the progression of blindness, vision which has been lost is incredibly difficult to restore.
For those who have lost their eyes to injury, prosthetic replacements have existed for millennia. There are reports of an ancient artificial eye which was unearthed in the Iranian city of Shahr-e Sukhteh, also known as Burnt City, which may be 5,000 years old……..
Read more: http://www.ipwatchdog.com/2015/06/22/bionics-are-starting-to-reverse-vision-loss-and-restore-sight-to-the-blind/id=58878/
Source: IP Watchdog/ permission was obtained from Renee C Quinn  Chief Operating Officer and Business Manager, IPWatchdog, Inc.   Director of Marketing, IPWatchdog.com
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