"Without a fully functional system, he said, he found it difficult to navigate normally. He said he fell at least twice in the airport, once passing out after hitting his head on what he described as a pile of fire extinguishers in his way. He boarded the plane in a wheelchair."
"Since losing the use of his vision system and computer memory several weeks ago, he said, he cannot concentrate and is behaving differently. He is now undergoing tests to determine whether his brain has been affected by the sudden detachment from the technology."
