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Sight-restoring surgery at Stony Brook

Linda Kirk of Port Jefferson, who is legally blind, and Dr. Khurram Chaudhary, a retinal surgeon at Stony Brook University Hospital, discuss on Tuesday, Nov. 21, 2017, the system Chaudhary implanted into one of Kirk's eyes with the aim of letting her see light and shapes and helping her gain independence.  (Credit: Newsday / Chris Ware)

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