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Start free with EleplanColoboma of inferior eyelid
ORPHA:155889Morphological anomaly
Also called Inferior palpebral coloboma
What it is
Coloboma of inferior eyelid is a rare developmental defect during embryogenesis characterized by a unilateral or bilateral, partial or full-thickness, variably sized defect of the inferior eyelid (ranging from a small notch to complete absence of the entire lid) which is usually triangular in shape (with base at eyelid margin) and located on the lateral third of the lid. It can occur isolated, associated with facial clefting or as part of a syndrome.
Key facts
- Classified as
- Morphological anomaly
Recorded for the broader condition
- Prevalence
- 1-9 / 1 000 000 (Europe)Oblique facial cleft
- Age of onset
- Infancy, NeonatalOblique facial cleft
Orphanet records these for the broader condition rather than for this specific form. They are a starting point, not a figure for this subtype — subtypes often differ, and some are defined by being rarer than the condition they sit under.
ICD-10 codes
ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.
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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