Post by daveh on Sept 21, 2014 14:05:45 GMT -5
This has to be an optimal setup, or, least, the setup has to be within certain fairly close limits. We have already said L-R is easier than R-L, so that is one aspect: cross-eyed is easier than wide-eyed for most people. Every other part of the equation will have a similar finding. For instance, it's no good having the images so far apart so they can't both be seen at the same time.