Skip to content

Eyecon – Optical Illusions

Choose a category here:

  • People
  • Objects
    • Cars
    • Boats
    • Buildings
    • Floors
    • Chairs
    • Stairs
    • Bicycles
  • Animals
    • Cats
    • Dogs
    • Birds
    • Snakes
  • Nature
    • Trees
    • Flowers
    • Clouds
    • Rocks
  • the Paranormal
    • Ghosts
    • UFOs
    • Zombies
  • Videos
  • Landmarks
  • Shadows
  • a dirty mind
  • Types of Optical Illusions
    • Forced Perspective
    • Pareidolia
    • Physical Illusions
    • Reflection
    • Refraction
    • Color Constancy
    • Camouflage and Mimicry
    • Geometry
  • AI
Knowledge Cats Dirty Minds
Birds Buildings Bicycles

Knowledge

Facts, science and history of optical illusions.
See all the articles or scroll down to see what you came for.

Billie Eilish drawn in 3D by Stephan Pabst

Anamorphic optical illusions

sorrowful rock face pareidolia

How do optical illusions work?

Rorscharch inkblot

What Optical Illusions Reveal about You

Male tree

Male tree illusion penis

Source/credit: Ambitious-Lychee3912

This tree is definitely male.
This type of optical illusion is caused by pareidolia, when your brain automatically recognises shapes in random patterns. Your dirty mind just recognises sexy shapes.

More optical illusions:

Shadow cat
Impossible woodwork
Long-haired Dog
Skywalker
Hole in Cat
Deflated dog
Confusing pants
Big cat on the roof
  • Pareidolia
  • Physical illusions
Copyright © 2026 Eyecon – Optical Illusions. All Rights Reserved.
Scroll Up
Penis shaped hair product illusion

Hair product

a dirty mind

Dog with bone

Bone

a dirty mind