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Middle East African Journal of Ophthalmology Middle East African Journal of Ophthalmology
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Year : 2019  |  Volume : 26  |  Issue : 1  |  Page : 46-48

Iris crystals: A rare clinical finding in chronic anterior uveitis

1 Department of Uveitis and Ocular Immunology, Narayana Nethralaya, Bangalore, Karnataka, India
2 Department of Cornea and Refractive Surgery, Narayana Nethralaya, Bangalore, Karnataka, India

Correspondence Address:
Dr. Padmamalini Mahendradas
Narayana Nethralaya, 121/C, Chord Road, 1st R Block, Rajajinagar, Bengaluru - 560 010, Karnataka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/meajo.MEAJO_227_16

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Iris crystals are a rare clinical entity seen in cases of chronic anterior uveitis (CAU). We report one such case with crystal deposition on iris as well as corneal endothelium and anterior lens capsule. No significant change in the crystals was seen over a period of 11 years despite multiple episodes of exacerbation and resolution. Anterior segment optical coherence tomography (AS-OCT) showed crystals as hyperreflective deposits over the corneal endothelium. On confocal microscopy, the crystals were seen as ill-defined hyperreflective lesions on endothelium between 525 and 604 μm. Reduction in the number of crystals was seen after cataract surgery. In conclusion, AS-OCT and confocal microscopy can be used as additional diagnostic tools to analyze iris crystals in CAU.

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