Two Cases of <EM>Thelazia callipaeda</EM> Infested from Lacrimal Apparatus

Ahn, Min Won; Yu, Hak Sun; Lee, Jong Soo

Case Report

Annals of Optometry and Contact Lens 2015;14(2):100-103.
Published online June 25, 2015.

Two Cases of <EM>Thelazia callipaeda</EM> Infested from Lacrimal Apparatus

Department of Ophthalmology, Pusan National University School of Medicine¹, Busan, Korea
Department of Parasitology, Pusan National University School of Medicine², Busan, Korea
Biomedical Research Institute, Pusan National University Hospital³, Busan, Korea

Received: 27 February 2015 • Revised: 20 March 2015 • Accepted: 29 May 2015

Abstract

Purpose: To report Two cases of Thelazia callipaeda from the canaliculus after irrigation of lacrimal duct
Case Summary : A 82-year-old male patient and a 64-year-old male patient presented with symptoms of epiphora, itching, and a sense of foreign body. Patients did not report having had flies in their eyes, and keep animals such as dogs, cats, and cows. After the irrigation of lacrimal duct, actively moving worms were identified in conjunctiva and were extracted with forceps. Extracted worms were a white thread-like round worm, 10-15 mm in size. The presence of the Thelazia callipaeda worms was confirmed by light microscopic findings. The patients’ symptoms resolved and there were no recurrences.
Conclusions : Thelazia callipaeda usually lie in the ocular surface, causing ocular surface disease. After removal the worms, symptoms are resolved. For treat and prevention of the thelaziasis, the continious study about life cycles and routes of infection of Thelazia callipaeda is necessary.
Ann Optom Contact Lens 2015;14(2):100-103

Key Words: Thelazia callipaeda, Thelaziasis