Optical delusions are when your eye sees one thing in an image because it's become accustomed to that kind of image in that context. In the cases of the following images, if you see the "dirty images" then you, unfortunately, have a dirty mind. If you see what's really there, then you're a healthy, good-hearted, well-meaning, functioning member of society.
They Probably Should Have Waited for Her to Take This One
Underdressed Woman Is Underdressed
A Really Intimate Massage PlacePhoto: u/Bbrowny / Reddit
A Catholic Priest On Casual Friday
Why Would They Let Her Sit Like That?