|  Special Feature - Artificial Vision: Rewiring the Retina |
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As researchers continue to pursue the Holy Grail of vision research – a retinal prosthesis that can restore vision to the blind – each step forward reveal increasing levels of complexity. View an overview of the challenges that lie ahead. (1MB) 
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| | | Special Feature -Detecting Ocular Ischemic Syndrome |
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It is estimated that ocular ischemic hemorrhage syndrome occurs in about 2,100 patients a year in the United States. "Ophthalmologic Pearls" gives an insight into this disease that is associated with carotid artery obstruction. (794K)
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