Re: [photo-3d] Stereo Fly

[Dan Vint <dvint@xxxxxxxx>]

I saw one of these tests for the first time last year with my eye check. First
time with this doctor in a new town and he had new toys to play with. He wasn't
interested in ingauging in a converstaion about 3D vision and photography though.

..dan

> 
> >>A curious question is why a fly was chosen as subject,
> >>it seems that some children were afraid of such a large
> >>insect (but the fly is only one of the targets and 
> >>stereo butterfly test also exists...).
> 
> According to the manufacturer, it seems that a fly is universally known
> and recognized by children, and the child or adult is asked to grab the
> tip of the wing. If their fingers try to grab the wing tip about 2 or so
> inches above the picture, it is assumed they have stereo vision. If they
> simply touch the print, there is a problem.
> 
> I think it is an interesting test.
> 
> Bob
> 
> 
> 
>