Ellen Lawrence has asked a good question. As I believe I
said, this is not my area of expertise. I was just passing
along a warning that I thought was timely and topical. Doubters
would better serve themselves by asking an opthalmologist.
Meanwhile, if it will make you feel better, go ahead and
directly at the sun to observe the eclipse, and don't let me
spoil your fun.
                Usual Disclaimers