Isn't that the mechanism for these magic images like this: http://www.magiceye3d...

		raxxorrax on Sept 2, 2021 \| parent \| context \| favorite \| on: Man can change his pupil size on command Isn't that the mechanism for these magic images like this: http://www.magiceye3ds.com/3dpics/img/043magiceye3d.jpg Some people can just adjust their focus and see it immediately. Some need to put their nose through the monitor first. edit: you should see a heart, but if you resize the image you might see something different.

That requires you crossing your eyes, or look past the image, which makes your vision double.