J Korean Ophthalmol Soc > Volume 61(3); 2020 > Article
Journal of the Korean Ophthalmological Society 2020;61(3):294-297.
DOI: https://doi.org/10.3341/jkos.2020.61.3.294    Published online March 15, 2020.
Thelazia Callipaeda Infestation with Tarsal Ectropion.
Yeo Jin Lee, Sung Eun Kim, Ji Hyun Kim, Ji Sun Paik, Suk Woo Yang
Department of Ophthalmology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea. yswoph@catholic.ac.kr
눈꺼풀겉말림을 동반한 동양안충의 인체감염
가톨릭대학교 의과대학 서울성모병원 안과학교실
Correspondence:  Suk-Woo Yang
Email: yswoph@catholic.ac.kr
Received: 10 January 2019   • Revised: 6 April 2019   • Accepted: 21 February 2019
To report a case of Thelazia callipaeda infestation with tarsal ectropion. CASE SUMMARY: A 79-year-old man presented with epiphora and a sensation of a foreign body in his right eye that had persisted for several months. On the initial examination, he had conjunctival injection, conjunctival follicles, telangiectasia of the lid margins, meibomian gland dysfunction, and tarsal ectropion. We performed a lateral tarsal strip operation to treat the tarsal ectropion. During surgery, we identified and removed four parasites (about 1–2 cm in length and 0.5 mm in width) that had not been apparent on slit lamp examination. The parasites were identified as Thelazia callipaeda. The patient's symptoms subsequently improved considerably; he has followed up to the present time without recurrence. CONCLUSIONS: In the presence of continuous extraocular inflammation, as with infestation by Thelazia callipaeda, ectropion can be induced by several possible causes. Involutional ectropion can be accelerated mechanically through rubbing. Other causes include inferior force from inflammation of the connective tissue and temporary blepharospasm.
Key Words: Tarsal ectropion;Thelazia callipaeda

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