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SIGNS
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Raised iris lesion may appear dark without demonstrating transillumination or clear with transillumination
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WORK-UP
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Thorough history and slit lamp examination | UBM (gold standard) or AS-OCT to image lesion
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TREATMENT
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Observation with photodocumentation and/or UBM | Laser treatment (photodisruption and photocoagulation) or surgical excision may be indicated in more advanced cases
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FOLLOW-UP
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Frequent follow-ups are rarely necessary.
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ETIOLOGY
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Usually idiopathic | Secondary iris cysts may be caused by trauma or surgery
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DIFFERENTIAL DX
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Iris nevus | Iris melanoma | Iris melanocytosis | Iris melanocytoma
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NOTES
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Iris cysts can come in the iris pigment epithelial form or iris stromal form
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