Ocular loiasis in London 2008–2009: a case series

Bowler, Gordon; Shah, Amita; Bye, Louise; Saldaña, Manuel

doi:10.1038/eye.2010.192

Cited by 20 publications

(12 citation statements)

References 9 publications

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“…L. loa infestation presenting as the "African eye worm" has been well reported as a trans-border disease imported from endemic regions of the world to other non endemic countries. This is seen in several case reports from Europe, Latin America, Asia and the United States of individuals who have imported the parasite by travelling to or living in endemic regions in Central and West Africa [11,12,13,14]. A review of over a hundred infected individuals identified the patients to have made contact with three countries namely Cameroon, Nigeria and Gabon [15].…”

Section: Resultsmentioning

confidence: 99%

Removal of adult subconjunctival Loa loa amongst urban dwellers in Nigeria

et al. 2018

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Loiasis is a neglected tropical disease caused by infection with the filarial parasite Loa loa. It is a disease considered by many to be benign. Several reports of trans border importation of the Loa loa worm amongst immigrants and visitors from endemic regions of the world exist. In most cases an adult subconjunctival worm is removed from the patient. An interventional case series is reported and examines the practice of removal of subconjunctival adult Loa loa worms amongst urban dwellers in Nigeria. Four cases of ocular loiasis seen amongst urban dwellers in Nigeria exemplify the different presentations and removal methods of the subconjunctival adult worm. There were 2 males and 2 females aged 35years, 23years, 25years and 30years respectively. Each patient gave a history of having been raised in a rural community in childhood years, during which they were exposed to streams and muddy farm land; and then migrated to the urban community in later years. They all present with the finding of a subconjunctival adult worm, which was successfully removed and identified to be Loa loa. There are more urban dwellers in Nigeria who present with symptoms of foreign body sensation that may be related to the manifestation of a subconjunctival worm and are not recognized. This is because the emphasis on this disease has erstwhile been on the rural, village dwellers and not on urban dwellers. Eye care practitioners working in urban centers need to be aware of the possibility of this presentation, and be ready to remove any subconjunctival worm when it presents.

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Section: Resultsmentioning

confidence: 99%

Removal of adult subconjunctival Loa loa amongst urban dwellers in Nigeria

et al. 2018

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“…It is endemic in West and Central Africa where prevalence in some areas is as high as 50 % [ 1 , 2 ] and constitutes one of the main reasons for locals to seek medical advice. Two cases of ocular loiasis have been reported so far in Spain [ 3 , 4 ], three in the USA [ 5 - 7 ] and other isolated cases in Brazil [ 8 ], Italy, Norway, Australia, South Korea and the United Kingdom [ 9 ].…”

Section: Introductionmentioning

confidence: 99%

Ocular loiasis affecting a child and its assessment by Anterior Segment Optical Coherence Tomography

Placinta

Pascual

Chiarri-Toumit

et al. 2019

rjo

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A 9-year-old girl from Equatorial Guinea presented to the emergency department complaining of foreign body sensation in her right eye. A thin and large, translucent, slowly moving, coiled worm was observed underneath the conjunctiva. Anterior segment optical coherence tomography revealed hyperreflective small areas surrounded by larger hyporeflective areas into the subconjunctival space. Loa loa microfilaria was evidenced on blood test. Surgical extraction of the subconjunctival worm was intended on slit lamp and under sedation in the operating room, but it was unsuccessful due to poor cooperation and rapid migration of the larva into the sub-Tenon’s space. The patient received two cycles of oral albendazole and one cycle of diethylcarbamazine before achieving complete microfilaria seroconversion. Abbreviations: AS-OCT = Anterior Segment Optical Coherence Tomography, PCR = Polymerase Chain Reaction, DEC = diethylcarbamazine.

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“…[1][2][3][4] Until recently, it was limited to residents of these countries, but increased tourism and emigration have extended its impact in Europe. An estimated 30% of long-term visitors are infected by this parasite.…”

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confidence: 99%

“…2,3 A 68-year-old woman with 20/20 vision presented complaining of floaters and a "snake-like" shadow moving in her left eye. Examination revealed a mobile worm in the vitreous cavity without signs of ocular inflammation (Figures 1-3).…”

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confidence: 99%