What is Ophthalmomyiasis?

Ophthalmomyiasis – It is a rapidly developing eye disease caused by contact with the membrane covering the white part of the eye, that is, the conjunctiva or its lids, with the larval or worm form expelled from the fly (Lura) or (Kumacik) among the people. It is formed by organisms called myiasis flies and belonging to the Schizophora series of the order Diphtera.

Oestrus ovislarvae is the most common cause of ophthalmomyiasis in the world. Mature larvae fall to the earth and enter the cocoon, emerge from the cocoon after three to six weeks, and the life cycle continues. Adult flies are 12 mm in size and black-brown in colour. Man is an accidental host in this cycle.

While the larvae usually settle on the lid and conjunctiva, they can rarely puncture the conjunctiva and eyeball. Then it is defined as orbital ophthalmomiasis or ophthalmomiasis interna and can lead to blindness. Superficial (externa) ophthalmomiasis is usually self-limiting. Severe burning, foreign body sensation, tearing, bleeding and rapid swelling are observed in the eye as clinical symptoms. Since the people who are exposed to this situation are mostly engaged in animal husbandry, they realize that a fly has a worm in their eye. Although ophthalmomyiasis is seen in many parts of the world, it is more common in underdeveloped areas where farm animals are common. The mature ovis fly lays its eggs near the nostrils of sheep and goats. It is most commonly observed in the Middle East, Africa and Central America. Ophthalmomyiasis of the eye is a parasitic disease that can be encountered in our region, albeit rarely, but can be diagnosed with a careful eye examination. It is seen in spring and summer months.

Treatment should be done immediately by consulting an ophthalmologist. By removing the larvae (worms) from the eye with the help of painkiller drops, and then administering antibiotic drops that prevent pain and swelling, the symptoms decrease and end within 1-2 days.

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Recently, cases have also been encountered in citizens living in cities.


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