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Kind: captions Language: en [Music] one patient I saw he ended up with full constellation retinal burrows there's no pain receptors at the back with the odds so you have no way of telling you damage to back to the eye it's around 25 I've seen over my lifetime it doesn't get old [Music] this patient I mentioned he had his peripheral vision he could walk around and do this but he was legally blind in the sense that people wouldn't read anything self installed start to break down they release very nasty chemicals that will actually attack the innards of the cell [Music] they're going to end up not with a round burn on their path of the I will end up with a crescent shape [Music] put slices contained a specially designed filter that will reduce the amount of light reaching the back drive by a couple hundred thousand times just enough to be able to see the Sun [Music] okay [Music] [Applause] [Music]
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