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Case study: traumatic aniridia after clear corneal cataract extraction
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Traumatic aniridia can occur after an uneventful clear corneal cataract extraction, according to a recently published case study.
Malik Y. Kahook, MD, and Michael J. May, MD, reported the case of a 53-year-old man who had undergone clear corneal cataract extraction 3 months earlier. The wound had been constructed in beveled fashion with a 3-mm keratome blade. The patient’s postoperative course was unremarkable, with 20/20 uncorrected visual acuity and no iris abnormalities noted. The patient had a foldable silicone posterior chamber IOL implanted in the sulcus because of a small capsulorrhexis, the authors noted.
After a motor vehicle accident, the patient was diagnosed with hyphema with elevated IOP and started on levobunolol, brimonidine, tobramycin and dexamethasone, along with oral acetazolamide.
When the patient was seen 5 days after the accident, indirect ophthalmoscopy revealed a significant inferior vitreous hemorrhage in the right eye. No iris was visible in the right eye on gonioscopic examination, whereas a normal iris could be seen in the left eye. Treatment of the right eye with prednisolone acetate and timolol was initiated. The patient’s recovery was prompt and uneventful.
The case report is published in the August issue of the Journal of Cataract & Refractive Surgery.