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muscae volitantes

muscae volitantes Muscae volitantes are floating visual appearances seen within the eye, caused by small particles in the vitreous humor.

Muscae volitantes are floating visual appearances seen within the eye, caused by small particles in the vitreous humor. They may look like bright threads, bead-like strings, dots, or tiny rings, and commonly seem to drift downward across the visual field.

Also see

Sources

Drafting source: Baldwin Dictionary of Philosophy and Psychology, 1901. 1901 New York Macmillan original; archive index checked 2026-10-18. “Muscae Volitantes” (Muscae).
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PsychTerms (psychterms.org), CC BY 4.0, version 1. “muscae volitantes.” Development preview.

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