Irido-zonular and/or -lenticular disruption, mostly due to posterior bowing of the iris, is believed to be the mechanism of primary pigment dispersion syndrome (PDS). Characteristic findings of PDS include Krukenberg spindle, homogenous trabecular meshwork (TM) pigmentation, and spoke-like mid-peripheral iris transillumination defects . Primary PDS usually affects bilateral eyes, although the morbidity and manifestations may be asymmetric. Herein, we report an unusual case of monocular pigment dispersion secondary to traumatic anterior chamber angle recession.A 33-year-old male complained of blurred vision and distending pain in his right eye for more than 1 year. He sustained blunt ocular trauma by a wooden stick 10 years prior. He had no family history of either glaucoma or PDS.
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