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Updated: May 11, 2026

Application of Optical Coherence Tomography to a Mouse Model of Retinopathy
Published on: January 12, 2022
[Partially pigmented vitreous cyst]
1Service d'ophtalmologie, cliniques universitaires St-Luc, 10, avenue Hippocrate, 1200 Bruxelles, Belgique. leonard.alexandre@gmail.com
Abstract:
Free-floating iris pigment epithelial cysts in the vitreous are very rare. We report the case of a partially pigmented cyst found on routine examination in the vitreous of a 51-year-old asymptomatic patient. Usually, non-pigmented cysts are derived from the hyaloid system. Pigmented cysts, however, are derived from the iris pigment epithelium. When they are not dislodged, these cysts can be confused with iris melanoma or primary stromal cysts. Treatment is usually unnecessary, unless they become symptomatic.
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