The mechanisms of Optical illusions do not take place in the eye itself. The basic processes take place in the visual cortex of the brain. In the visual cortex the mind deciphers all the visual input and attempts to make sense of it. It is at this point that the mind is open to illusion.

See the links below for some perceptual impossibilities.








Mechanics of Lens Movement See Critical Eye Anatomy See Retina
Visual Fields and Binocular Vision The Need for Eye Glasses Some Eye Tricks with Explanations: See Optical Pathway
Eye Physiology Glossary Other Eye Physiology Links Great Links for Eye Illusions
For more information of Eye Disorders: References
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