Kok, LT; Bizrah, M; Cordeiro, MF; Din, N; (2024) Exposure to Caper Spurge (Euphorbia lathyris) Sap: A Case of Ocular and Periorbital Toxicity. Case Reports in Ophthalmology , 15 (1) pp. 535-540. 10.1159/000539419.

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Abstract

Introduction: We aimed to describe a case of bilateral keratoconjunctivitis after exposure to the toxic sap of Euphorbia lathyris. Case Report: A 76-year-old gentleman presented after exposure to E. lathyris whilst he was gardening. He had 6/12 visual acuity in his right eye, and 6/ 4 in his left. Examination revealed marked periocular dermatitis, conjunctival injection and corneal oedema in the right eye with diffuse punctate epithelial staining. He was treated with ocular irrigation, topical steroids, antibiotics, cycloplegics and lubricants. Over 48 h, his left eye started to become symptomatic. He developed bilateral corneal epithelial defects and anterior chamber inflammation. His visual acuity worsened to 6/36 right and 6/24 left. At his 3-week follow-up, there wasmarked improvement in the resolution of the toxic keratoconjunctivitis in both eyes. Conclusion: Toxic sap from E. lathyris can cause severe keratoconjunctivitis. Irrigation of both eyes despite unilateral symptoms and early follow-up should be considered signs of toxicity may only become evident after 24-48 h.

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