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Congenital microcoria

Synonym(s) Congenital miosis
Prevalence Unknown
Inheritance Autosomal dominant
Age of onset Infancy
ICD-10 -
  • C1303009
  • C537550
MedDRA -


Disease definition

Congenital microcoria is a rare autosomal dominant ophthalmological disease caused by maldevelopment of the dilator muscle of the pupil that is characterized by small pupils (<2 mm in diameter) from birth, peripheral iris hypopigmentation and transillumination defects leading to errors of refraction (myopia, astigmatism) and sometimes juvenile open angle glaucoma.

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