I've always wondered why this happens
I think the mind must think that it is looking at a bright light and acts accordingly.
'ningle fella.
(
riverghost servicing your mum since,
Mon 20 Oct 2008, 10:35,
archived)
'True, since it doesn't happen when looking at a white page on the screen
'nings!
(
Dixipoos Bye Bye Blackbird,
Mon 20 Oct 2008, 10:43,
archived)