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

A bit of knowledge on optical illusions. Or scroll down to see what you came for.

Bezold effect fabric

Bezold Effect

Expanding Black Hole Illusion

Mind-blowing facts about optical illusions

Rainbows are illusions

Types of Optical Illusions

90s Yellow Pages Ad

Credit: DJ Flooring in Yellow Pages

Thanks to this real Yellow Pages advertisement, DJ Flooring in Brighton, UK, had to change their phone number. 

Discontinued Yellow Pages advert with dirty optical illusion

However, the image used in the ad has been around longer than that. It was a popular image in the 90s used by many businesses to grab attention.

Popular illusion in 90s advertising

More optical illusions:

Ominous bird
Mind-boggling Floor
Painting the sky
Flying F1 Car
Cup Half Full
Snake cat
Eyes of the Amazon
Dead Man's Fingers
  • Pareidolia
  • Physical illusions
Copyright © 2026 Eyecon – Optical Illusions. All Rights Reserved.
Scroll Up
Poodle on the beach

Poodle or Cocker Spaniel?

a dirty mind

A giant bullfrog in Texas

Giant bullfrog

Animals