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  2. List of optical illusions - Wikipedia

    en.wikipedia.org/wiki/List_of_optical_illusions

    The Hollow-Face illusion is an optical illusion in which the perception of a concave mask of a face appears as a normal convex face. Hybrid image: A Hybrid image is an optical illusion developed at MIT in which an image can be interpreted in one of two different ways depending on viewing distance. Illusory contours

  3. Optical illusion - Wikipedia

    en.wikipedia.org/wiki/Optical_illusion

    Optical illusion is also used in film by the technique of forced perspective. Op art is a style of art that uses optical illusions to create an impression of movement, or hidden images and patterns. Trompe-l'œil uses realistic imagery to create the optical illusion that depicted objects exist in three dimensions.

  4. Fata Morgana (mirage) - Wikipedia

    en.wikipedia.org/wiki/Fata_Morgana_(mirage)

    As is well known, atmospheric ducting is the explanation for certain optical mirages, and in particular the arctic illusion called "fata morgana" where distant ocean or surface ice, which is essentially flat, appears to the viewer in the form of vertical columns and spires, or "castles in the air". People often assume that mirages occur only ...

  5. Op art - Wikipedia

    en.wikipedia.org/wiki/Op_art

    Op art, short for optical art, is a style of visual art that uses optical illusions. [1] Op artworks are abstract, with many better-known pieces created in black and white. Typically, they give the viewer the impression of movement, hidden images, flashing and vibrating patterns, or swelling or warping.

  6. Phantogram (optical illusion) - Wikipedia

    en.wikipedia.org/wiki/Phantogram_(optical_illusion)

    Phantograms, also known as Phantaglyphs, Op-Ups, free-standing anaglyphs, levitated images, and book anaglyphs, are a form of optical illusion.Phantograms use perspectival anamorphosis to produce a 2D image that is distorted in a particular way so as to appear, to a viewer at a particular vantage point, three-dimensional, standing above or recessed into a flat surface.

  7. Persistence of vision - Wikipedia

    en.wikipedia.org/wiki/Persistence_of_vision

    Persistence of vision is the optical illusion that occurs when the visual perception of an object does not cease for some time after the rays of light proceeding from it have ceased to enter the eye. [1] The illusion has also been described as "retinal persistence", [2] "persistence of impressions", [3] simply "persistence" and other variations ...

  8. Illusion - Wikipedia

    en.wikipedia.org/wiki/Illusion

    Example of visual illusion: a real gecko hunts the pointer of a mouse, confused with a prey An optical illusion. Square A is exactly the same shade of grey as Square B. (See Checker shadow illusion.) A visual illusion or optical illusion is characterized by visually perceived images that are deceptive or misleading

  9. Multistable perception - Wikipedia

    en.wikipedia.org/wiki/Multistable_perception

    Examples of visually ambiguous patterns. From top to bottom: Necker cube, Schroeder stairs and a figure that can be interpreted as black or white arrows. Multistable perception (or bistable perception) is a perceptual phenomenon in which an observer experiences an unpredictable sequence of spontaneous subjective changes.