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A device which could restore sight to patients with one of the most common causes of blindness in the developed world is under development in an international partnership. Researchers from the University of Strathclyde and Stanford University in California are creating a prosthetic retina for patients of age related macular degeneration (AMD), which affects one in 500 patients aged between 55 and 64 and one in eight aged over 85. The device would be simpler in design and operation than existing models. It acts by electrically stimulating neurons in the retina, which are left relatively unscathed by the effects of AMD while other 'image capturing' cells, known as photoreceptors, are lost.To see more details visit, www.medicalnewstoday.com

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