EyeNet Magazine

Postoperative Blood Clotting Near Schlemm’s Canal
Written by Sayoko E. Moroi, MD, PhD, and Robert Prusak, CRA, Kellogg Eye Center, Ann Arbor, Mich.
Blink is edited by Richard E. Hackel, MA, CRA, FOPS.
Photo Credit: Robert Prusak, CRA, Kellogg Eye Center, Ann Arbor, Mich.
Blink February 2007

A 45-year-old male with a right optic disc showing diffuse nerve fiber layer loss and marked thinning of the neuroretinal rim underwent a 180-degree temporal trabeculotomy ab externo to relieve IOP of 38 mmHg. His unilateral glaucoma was thought to be associated with Poland sequence, as he presented with typical findings: unilateral hypoplastic breast, absent sternal head of the pectoralis major muscle, rib anomalies, and upper extremity hypoplasia and dysplasia.

The image, taken eight days post-trabeculotomy, is a composite of several gonioscopic photos showing clotted blood in the temporal angle where Schlemm’s canal was opened. The case is especially interesting from the standpoint of glaucoma research because previously the only ocular conditions associated with Poland sequence had been strabismus, retinal hamartomas and optic disc abnormalities.

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