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Phakic posterior chamber intraocular lens pupillary block
Stephen S Bylsma1, Alan H Zalta, Eugene Foley
1Department of Ophthalmology, UCLA, Los Angeles, California, USA. sigste@aol.com
Journal of Cataract and Refractive Surgery
|December 25, 2002
Summary
A patient experienced bilateral pupillary block after receiving a phakic posterior chamber intraocular lens. This case highlights key signs to differentiate this condition from other causes of high intraocular pressure.
Area of Science:
- Ophthalmology
- Intraocular Lenses
- Glaucoma
Background:
- Phakic posterior chamber intraocular lenses (PC-IOLs) are used for refractive correction.
- Pupillary block is a potential complication following intraocular lens implantation.
- Peripheral iridotomies are typically performed to prevent pupillary block.
Observation:
- A 49-year-old woman presented with bilateral pupillary block.
- The patient had a history of phakic posterior chamber intraocular lens implantation.
- Peripheral iridotomies were patent but nonfunctional.
Findings:
- This case demonstrates a rare instance of pupillary block despite seemingly functional iridotomies.
- Clinical signs were identified to help distinguish this specific type of pupillary block.
- Elevated intraocular pressure was a key clinical sign.
Implications:
- Accurate diagnosis of pupillary block post-PC-IOL implantation is crucial for appropriate management.
- Understanding the nuances of nonfunctional iridotomies is important for ophthalmologists.
- This case contributes to the literature on managing complications associated with phakic intraocular lenses.