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Isolated bilateral congenital iris sphincter agenesis
1Glaucoma Services, LV Prasad Eye Institute, Patia, Orissa, Bhubaneswar 751024, India.
Case Reports in Ophthalmological Medicine
|May 19, 2012
Summary
This study reports a rare case of congenital iris sphincter agenesis, a condition causing large pupils and light sensitivity. Isolated cases can be managed with corrective eyewear.
Area of Science:
- Ophthalmology
- Genetics
Background:
- Congenital iris sphincter agenesis is a rare condition characterized by the absence of the iris sphincter muscle.
- This can lead to significant visual impairment, including photophobia and poor accommodation.
Observation:
- A 24-year-old male presented with bilateral photophobia and difficulty working in sunlight.
- Examination revealed bilateral 6.5 mm pupils in the undilated state, indicative of iris sphincter agenesis.
- No other systemic abnormalities were detected.
Findings:
- The patient exhibited poor accommodation in both eyes.
- Despite the significant pupillary abnormality, systemic examination was normal.
- The condition was diagnosed as isolated congenital bilateral iris sphincter agenesis.
Implications:
- Congenital iris sphincter agenesis can occur as an isolated defect without associated systemic conditions.
- Conservative management with bifocal photochromic glasses can effectively address symptoms like photophobia.
- This case highlights the importance of considering isolated ocular anomalies in the differential diagnosis.
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