[Congenital aniridia in children]

Dominique Bremond-Gignac1

  • 1Service d'ophtalmologie, hôpital Necker Enfants-malades, AP-HP, centre de maladies rares OPHTARA, université Paris-Descartes, université Sorbonne-Paris-Cité, Paris, France. Unité CNRS FR3636, université Paris-Descartes, université Sorbonne-Paris-Cité, Paris, France. Coordonnateur du Centre OPHTARA maladies rares en Ophtalmologie, Centre Européen ERN EYE. Présidente du CMS Geniris et Aniridia Europe.

La Revue Du Praticien
|April 16, 2019
PubMed

Insights

Congenital aniridia is a rare genetic pan-ocular disease affecting the iris, causing photophobia and nystagmus in children. Early detection and treatment are crucial to manage associated syndromes and prevent severe visual impairment.

Area of Science:

  • Ophthalmology
  • Genetics
  • Pediatrics

Background:

  • Congenital aniridia is a rare genetic disorder affecting the entire eye, characterized by partial or complete iris absence.
  • Clinical manifestations in children include significant photophobia and nystagmus.
  • The condition's prevalence ranges from 1:40,000 to 1:100,000 births, potentially underestimated.

Purpose of the Study:

  • To summarize the key aspects of congenital aniridia in children.
  • To highlight associated systemic disorders and their implications.
  • To emphasize the importance of early diagnosis and comprehensive management.

Main Methods:

  • Review of existing literature on congenital aniridia.
  • Analysis of clinical signs, prevalence, and associated syndromes.
  • Discussion of diagnostic approaches and therapeutic strategies.

Main Results:

  • Congenital aniridia presents with ocular abnormalities including foveal hypoplasia, glaucoma, cataracts, and corneal opacification.
  • Associated syndromes like WAGR syndrome (Wilms' tumor, aniridia, genitourinary anomalies, mental retardation) and Gillespie syndrome require rapid detection.
  • The disease frequently leads to severe visual impairment or blindness, necessitating UV protection and optical correction.

Conclusions:

  • Prompt diagnosis and management of congenital aniridia and its associated conditions are essential.
  • Comprehensive ocular treatment and UV protection are critical for visual preservation.
  • Ongoing clinical research in corneal stem cells and gene therapy offers future treatment possibilities.