Ophthalmomyiasis externa is the infestation of external ocular structures most commonly by Oestrus ovis, sheep nasal bot fly, which have a pupal stage in soil. Farmers and shepherds are commonly affected but rarely in urban areas. This is the first case of Oestrus ovis ophthalmomyiasis externa in California since Catalina Island 1986. No livestock exposure was noted. Manure fertilizer sourced from grazing fields of natural hosts was used on a local urban sports field and is the suspected source.
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http://dx.doi.org/10.1177/2324709619835852 | DOI Listing |
Eye (Lond)
January 2025
State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Sun Yat-sen University, Guangdong Provincial Clinical Research Center for Ocular Diseases, Guangzhou, China.
Heliyon
October 2024
Pathobiology Department, Shamirzad School of Veterinary Medicine, Semnan University, Semnan, P.O. Box: 35131-19111, Iran.
Case Rep Ophthalmol
October 2024
Ophthalmology Department, Ministry of National Guard - Health Affairs, Riyadh, Saudi Arabia.
Introduction: Ophthalmomyiasis externa, which is caused by larvae, is a parasitic eye infestation that is prevalent in tropical and subtropical regions. It occurs in rural settings and is associated with risk factors, such as poor sanitation and underlying health conditions. Reports on this disease in Saudi Arabia are rare.
View Article and Find Full Text PDFActa Parasitol
September 2024
Laboratorio de Biología Molecular, Subdirección de Investigación Médica, Instituto Nacional de Pediatría, Ciudad de México, 04530, México.
J Wildl Dis
October 2024
Department of Biological Sciences, Ohio Wesleyan University, Delaware, Ohio 43015, USA.
Two of 19 roe deer (Capreolus capreolus) in northern Spain were infested with Cephenemyia stimulator and one individual with Oestrus ovis. Three larvae of O. ovis were recovered from the nasopharynx of an adult female deer examined in February 2017, during the hunting season in the province of Burgos.
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