On 31 Jan 2005 13:47:11 -0800, wrote in
.com::

"So you're saying that closing one's eyes or looking away is
reflexive."

Yes, it is called, "Aversion Reflex."

"What length of time would you estimate it takes for that reflex to
occurr? "

About 250 milliseconds.
BTW, the aversion reflex only works in the visible spectrum.

Thank you for the information.