oculomotor micropsia

Dictionary of Hallucinations. . 2010.

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  • oculomotor macropsia —    A term used to denote a magnification (i.e. an apparent increase in size) of a visually perceived object or stimulus that is attributed primarily to accommodation and divergence of the eyes. It is conceptualized as a * physiological illusion… …   Dictionary of Hallucinations

  • convergence micropsia —    Also referred to as accommodative micropsia, accommodation convergence micropsia, and oculomotor micropsia. All three terms are used to denote a type of * micropsia (i.e. the visual perception of an object or stimulus that is apparently… …   Dictionary of Hallucinations

  • Convergence micropsia — is a type of micropsia characterized by the reduction in apparent size of objects viewed when the eyes are more converged than they need to be for the distance of the object from the eyes. [1] [2] [3] It occurs mainly during stereoscopy and when… …   Wikipedia

  • Visual Angle Illusion — The visual angle, V degrees, subtended by a viewed object sometimes looks larger or smaller than its actual value, creating a visual angle illusion (V illusion).These V illusions have been explicitly described by many vision researchers,… …   Wikipedia

  • Moon illusion — The Moon illusion is an optical illusion in which the Moon appears larger near the horizon than it does while higher up in the sky. This optical illusion also occurs with the sun and star constellations. It has been known since ancient times, and …   Wikipedia

  • Eye movement (sensory) — For other uses, see Eye movement (disambiguation). Eye movement is the voluntary or involuntary movement of the eyes, helping in acquiring, fixating and tracking visual stimuli. It may also compensate for a body movement, such as when moving the… …   Wikipedia

  • macropsia —    Also known as macropsy, macroptic vision, megalopsia, and megalopia. The term macropsia comes from the Greek words makros (large) and opsis (seeing). It refers to a visual distortion in which objects and stimuli are perceived as… …   Dictionary of Hallucinations

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