On 07/04/07, Roger and Allison Kulp wrote:

> Interesting.
> One of the many fun side benefits of acute bacterial meningitis,which
> I have had a number of times,the first at six months of age,is
> hemianopia,or blindness in one eye.As a result,I have never been able
> to see in any thing,but 2D.
>                                   Roger

When demonstrating stereo, I find that roughly 10% of the audience lacks
stereo vision.

There are several other clues to depth, so people can manage OK without
it, as do animals with eyes facing outward rather than forward.

Don Cox
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