Quote:
Originally Posted by Javed
In this linked image, "Rotating Snake Illusion", the strong rotation occurs in relation to eye movements. On very steady and precise eye fixation the effect vanishes. |
The only way I can get the snakes to stay still is squint and defocus my eyes slightly. Otherwise no matter how still I think I'm keeping them, there's at least one, usually more, moving.
Repeated experimenting with this has led me to conclude I have a headache...