optical illusions
Eyes deceive you
Optical illusions are visual phenomena where what you see differs from physical reality—images that trick the brain into perceiving something incorrectly.
Lines appear curved when straight, colors shift depending on context, static images seem to move.
The term covers both natural phenomena and deliberately constructed images designed to exploit quirks in human perception: The café wall optical illusion makes parallel lines look slanted.
- illusionsDeceptive sensory experiences
- trompe l'oeilRealistic optical illusion art
- op artIllusion-based geometric abstraction
- pareidoliaPerceiving patterns in randomness
- visual perceptionOcular sensory processing
stereogram · magic eye · Escher · anamorphosis · perspective · mirage · trick of the light · afterimage · eye test · depth perception · art · hallucinations · hologram · simulacrum · distortion · camera obscura · bending · binocular vision
- optical illusionstrompe l'oeil, impossible stairs, duck-rabbit, afterimages, impossible triangle
- visual culturevisual communication, visual literacy, visual language, visual perception, visual narrative
- geometric arttessellations, fractals, symmetry, spirals, geometric patterns
- PsychedeliaLSD, acid, psychedelic posters, tie-dye, hallucination
- math artgeometric art, fractals, tessellations, symmetry, patterns
- mind tricksmind games, magic tricks, riddles, puzzles, brainteaser
optical illusionsreality
What actually exists
objective reality · what you see is what you get · 20/20 vision
illusion, optical, optic, optics, optician, illusionist, optometrist, optometry, optically