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Article
January 1993

Bilateral Extensive Persistent Pupillary Membranes Treated With the Neodymium-YAG Laser

Author Affiliations

Madurai, India; Baltimore, Md

Arch Ophthalmol. 1993;111(1):28. doi:10.1001/archopht.1993.01090010030020
Abstract

Persistent pupillary membranes are a common congenital anomaly seen in 30% to 95% of individuals,1 and they usually consist of fine avascular strands of tissue that are variably pigmented. In most cases these remnants atrophy early in life. Bilateral, extensive, persistent pupillary membranes, occluding the visual axes and resulting in reduced visual acuity, are relatively uncommon. We report two such cases successfully managed with the Q-switched neodymium (Nd)-YAG laser.

Report of Cases.  —The patients were examined and treated at the Aravind Eye Hospital in Madurai, India. Eyes were dilated with either 5% homatropine or 1% cyclopentolate hydrochloride. We used an Abraham contact lens with 4% lidocaine for topical anesthesia. An Nd-YAG laser (Visulas, Zeiss, Germany) was used in single-pulse mode with energies ranging from 0.8 to 1.8 mJ. Laser energy was directed at the attachment of the membrane to the iris collarette. After surgery, 1% prednisolone acetate was administered

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