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Start free with EleplanColoboma of eye lens
ORPHA:98943Morphological anomaly
What it is
A rare, genetic, developmental defect of the eye characterized by a uni- or bilateral abnormal lens shape (contraction of the lens with a notch) due to segmentally defective, or absent, development of the zonule and flattening of the equator in the region of the zonular defect, typically manifesting with reduced visual acuity. Other ocular anomalies, such as iris, choroid or optic disc colobomas, as well as cataracts and retinal detachment, may be associated.
Key facts
- Prevalence
- 1-9 / 1 000 000
- Age of onset
- Infancy, Neonatal
- Classified as
- Morphological anomaly
Prevalence figures describe populations, not individuals, and are often estimates from a single study. Where the figure is an incidence or a birth prevalence, it says so.
Genes
ICD-10 codes
Cross-references
Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.
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