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Year : 2013  |  Volume : 2  |  Issue : 4  |  Page : 232-235

Pigment dispersion syndrome

Department of Ophthalmology, Sri Venkateswara Medical College, Tirupati, India

Correspondence Address:
C S Sandhya
Professor and Head, Department of Ophthalmology, Sri Venkateswara Medical College, Tirupati
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Source of Support: None, Conflict of Interest: None

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We report of the rare occurrence of pigment dispersion syndrome (PDS) with posterior subcapsular cataract in both eyes in a young male patient. The patient presented with complaints of progressive decrease in vision of one year duration. The patient also had high myopia with mild iridodonesis, phacodonesis and anterior insertion of zonules. Classical signs of PDS like Krukenberg's spindle on the posterior corneal surface were evident on slit lamp examination; transillumination defects in the iris could not be elicited by retroillumination as the iris was heavily pigmented. Gonioscopy revealed heavy and uniform pigmentation of trabecular meshwork. Evidence of a characteristic iris configuration on optical coherence tomography (OCT), namely, posterior bowing of iris in the mid periphery suggested the diagnosis of PDS. This case highlights the importance of OCT in identifying the iris configuration characteristically seen in PDS even in the absence of transillumination defects in the iris and reiterates the need to look for subtle signs like phacodonesis which are important when surgical intervention is planned.

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