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polyopia

polyopia Polyopia is the seeing of several images of a single object.

Polyopia is the seeing of several images of a single object. In this source, monocular polyopia is described as arising from irregular astigmatism, as in the multiple images some people see in the horns of a crescent moon.

Also see

Sources

Drafting source: Baldwin Dictionary of Philosophy and Psychology, 1901. 1901 New York Macmillan original; archive index checked 2026-10-18. “Astigmatism” (Astigmatism).
public-domain-US · Definition uses new wording; original source retains its stated licence. · Source snapshot SHA-256: 3080439997a24e7c6c40f6041855e46b506dddf3e7233aab182df3138865ab0e

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PsychTerms (psychterms.org), CC BY 4.0, version 1. “polyopia.” Development preview.

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