You're crossing them the wrong way.......just r-e-l-a-x them & double vision happens naturally.
(
Stashie is plotting against his blender on,
Sat 11 Oct 2008, 17:42,
archived)
That's not crossing the eyes, though.
That's distance-focusing.
(
Bob Todd whee,
Sat 11 Oct 2008, 17:54,
archived)