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Thelazia Callipaeda Infestation with Tarsal Ectropion
눈꺼풀겉말림을 동반한 동양안충의 인체감염
JKOS 2020 Mar;61(3):294-7
Published online March 15, 2020;  https://doi.org/10.3341/jkos.2020.61.3.294
Copyright © 2020 The Korean Ophthalmological Society.
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Yeo Jin Lee, MD, Sung Eun Kim, MD, Ji Hyun Kim, MD, Ji-Sun Paik, MD, PhD, Suk-Woo Yang, MD, PhD
이여진⋅김성은⋅김지현⋅백지선⋅양석우

Department of Ophthalmology, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
가톨릭대학교 의과대학 서울성모병원 안과학교실
Received January 10, 2019; Revised April 6, 2019; Accepted February 21, 2019.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
 Abstract
Purpose: 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.
Keywords : Tarsal ectropion, Thelazia callipaeda

 

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