And quite a few people who aren't blind wear dark glasses. :-)
By saying this I don't mean to suggest her eyesight was more or less impaired during the last several years.
"Named Lucia de Jesus dos Santos when she was born on March 22, 1907, in recent years she suffered from blindness and deafness. "
http://www.freerepublic.com/focus/f-religion/1342459/posts