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Troxler effect

From Wiktionary, the free dictionary

English

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Etymology

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First identified by Swiss physician Ignaz Paul Vital Troxler in 1804.

Proper noun

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the Troxler effect

  1. An optical illusion whereby, when a person fixes the gaze on a particular point, an unchanging stimulus away from the fixation point appears to fade away and disappear.

Synonyms

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