But lets be honest. Only the stupidest people get any eye damage, and usually they are on some sort of drug or medication which inhibits the pain and discomfort. It happens every solar eclipse, but again, these cases are rare. Im not promoting that you should go out and stare at the sun to see how long you can do it. Here is some education.
RE: You Wont Go Blind - Truth Of The Solar Eclipse And How To Use It.