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Zebrafish study may point way to blindness cure


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Retired Tech

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The ability of zebrafish to regenerate damaged retinas has given scientists a clue about restoring human vision and could lead to an experimental treatment for blindness within five years.

Researchers said on Wednesday they had successfully grown in the laboratory a type of adult stem cell found in the eyes of both fish and mammals that develops into neurons in the retina.

In future, these cells could be injected into the eye as a treatment for diseases such as macular degeneration, glaucoma and diabetes-related blindness, according to Astrid Limb of University College London's (UCL) Institute of Ophthalmology.

Damage to the retina -- the part of the eye that sends messages to the brain -- is responsible for most cases of sight loss.

http://uk.news.yahoo...-acc9995_2.html
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