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Human thelaziasis in Bangladesh.

M I Hossain¹, M A Hossain, L Nahar

¹Department of Ophthalmology, Mymensingh Medical College, Mymensingh, Bangladesh.

Mymensingh Medical Journal : MMJ

|January 18, 2011

Summary

This report details the first documented case of Human Thelaziasis in Bangladesh. A Thelazia callipaeda eyeworm was successfully removed from a patient

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Area of Science:

Ophthalmology
Parasitology
Medical Entomology

Background:

Human Thelaziasis is a rare parasitic infection affecting the eye.
Few cases are reported globally, making each new occurrence significant for understanding its epidemiology.

Observation:

A 58-year-old male presented with ocular symptoms including itching, redness, foreign body sensation, and discharge in his right eye.
Clinical examination revealed decreased visual acuity and conjunctival congestion, with a pterygium noted.
A thin, white nematode was discovered and removed from the conjunctival fornix of the affected eye.

Findings:

The removed nematode was identified as an adult Thelazia callipaeda eyeworm.
This case represents the first documented instance of Human Thelaziasis in Bangladesh.
The successful removal and identification were confirmed through collaboration between hospital microbiology and university parasitology departments.

Implications:

This finding expands the known geographical distribution of Thelazia callipaeda.
Highlights the importance of considering parasitic causes for ocular conditions, even in regions where they are rarely reported.
Contributes to the limited global data on Human Thelaziasis, aiding future diagnostic and treatment strategies.