IUBio

Cross - Wired Eyes

Manni Heumann manni.heumann at gmx.de
Sun May 13 04:36:57 EST 2001


"Karl Self" <karl.self at gmx.net> wrote on 13 Mai 2001:

>    I know that in humans, the eyes are cross wired to the
>    brain, i. e. the 
>left eye is connected to the right brain hemisphere and vice
>versa. 

This is not quite correct: It's not the eyes that are cross 
wired, it's the two halfs of the visual field that are. Thus, if 
you are looking straight ahead, anything left of your nose will 
end up in the right hemisphere and vice versa.

> My questions:
>-  why is this so?

Good question. IIRC, this has been discussed here a couple of 
weeks (months?) ago. Although, with no definitive answer.

Manni




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