Climbing El Capitan while nearly blind: why Eitan Armon refused to sit around waiting for a cure By Latest & Breaking News on Fox News Comments Off on Climbing El Capitan while nearly blind: why Eitan Armon refused to sit around waiting for a cure 4 Min Read Eitan Armon, diagnosed as going blind at 20, climbed Yosemite's El Capitan with only 5% vision remaining, inspiring the new documentary "Looking Up."