Abstract
BackgroundPigment dispersion syndrome (PDS) is a well-known entity which can lead to pigmentary glaucoma (PG). This case report presents a rare presentation of PG with bilateral dense pigment deposits of the posterior lens capsule.Case presentationA 72-year-old male came for his first appointment due to an asymmetric worsening of visual acuity. The examination showed unilaterally severely increased intraocular pressure, bilateral dense pigment deposition of the posterior lens capsule, and a shallow unilateral optic disk excavation. Gonioscopy revealed moderate pigmentation of the angle and a concave configuration of the peripheral iris in both eyes. The standard slit lamp examination showed no transillumination defects of either iris. Optical coherence tomography showed retinal nerve fiber layer (RNFL) thinning in the peripapillary and macular regions. An antiglaucoma medication was prescribed with a good lowering effect.ConclusionPigment deposition of the posterior lens capsule, which has been rarely reported, is a possible important sign of PDS or PG.
Highlights
Pigment dispersion syndrome (PDS) is a well-known entity which can lead to pigmentary glaucoma (PG)
Pigment dispersion syndrome (PDS) is a relatively rare and peculiar entity that can lead to a secondary elevation of intraocular pressure (IOP) and cause pigmentary glaucoma (PG)
PDS is characterized by dispersion of pigment of the anterior segment, including Krukenberg’s spindles, iris transillumination defects, diffuse trabecular meshwork pigmentation, and a backward bowing of the iris [1,2,3]
Summary
Pigment deposition of the posterior lens capsule, which has been rarely reported, is a possible important sign of PDS or PG.
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