Originally Posted by puptent
Your brain actually learns how to rotate the image so that it makes sense. =)
Or your DNA already knows that the image is upside down and grows your optical nerves with that in mind.
However, if you fit someone With a pair of glasses which reverse the iamge, they will very quickly be seeing things the right way up again.
"People who say things won't work are a dime a dozen. People who figure out how to make things work are worth a fortune" - Dave Rat.