Dieffenbachia-Induced Transient Crystalline Keratopathy: A Case Report and Review of Previously Reported Cases
Abstract
We report a case of transient crystalline keratopathy induced by contact with Dieffenbachia plant sap and review previous reports on plant-induced crystalline keratopathy. A 27-year-old man with underlying diabetes mellitus presented with ocular pain, redness, and tearing after Dieffenbachia plant sap accidentally entered his right eye while he had been cutting the grass one day prior to presentation. The visual acuity of his right eye was 6/9. His conjunctiva was injected with an epithelial defect over the inferior conjunctiva. There were fine needle-like oxalate crystals in the epithelial and stromal layer of the cornea inferiorly. He was treated with topical dexamethasone and levofloxacin. The crystals disappeared from the cornea when he was reviewed one month later. He maintained good visual acuity, and no corneal opacity was noted. In conclusion, patients with crystalline keratopathy after exposure to Dieffenbachia plant sap can have a full recovery without sequelae after supportive treatment. Eliciting the history from patients regarding the type of plant involved is imperative. Ophthalmologists should be aware of the possibility of crystalline keratopathy developing, even though most patients retain good vision.
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Evidence Hub reads this as a case report, done in people. Its evidence level is 5 of 5 (Very low · case / narrative / animal / in vitro / in silico). Case reports, narrative reviews, and animal, cell or computer-model studies give the weakest evidence for human health.
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