Caring for someone with this diagnosis? Eleplan keeps diagnoses, medications, documents and every specialist in one plan.
Start free with EleplanIsolated aniridia
ORPHA:250923Morphological anomaly
What it is
Isolated aniridia is a congenital bilateral ocular malformation characterized by the complete or partial absence of the iris.
Key facts
- Prevalence
- 1-9 / 100 000 (Norway)
- Age of onset
- Neonatal
- Inheritance
- Autosomal dominant, Not applicable
- 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.
Signs and symptoms
Very common80–99%
7Common30–79%
14- Abnormal foveal pit on macular OCT
- Abnormal full-field electroretinogram
- Abnormal multifocal electroretinogram
- Cataract
- Corneal neovascularization
- Corneal opacity
- Ectopia lentis
- Glaucoma
- Hypopigmentation of the fundus
- Keratoconjunctivitis sicca
- Limbal stem cell deficiency
- Peters anomaly
- Red-green dyschromatopsia
- Strabismus
These ranges are how often a sign appears across everyone diagnosed, not a prediction for one person — most people have some of these and not others. Orphanet also records findings that are specifically absent in this disease; those are in the data but not listed here.
Genes
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.
Powered by Eleplan
A rare diagnosis is just the start. Eleplan keeps the whole care plan in one place.
Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, so you are not retelling the same story to every new specialist. With Ellie, your AI care assistant, on top of it. Free to start.