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Journal of Ophthalmology
Volume 2014, Article ID 254302, 7 pages
http://dx.doi.org/10.1155/2014/254302
Clinical Study

Comparison of Mycotic Keratitis with Nonmycotic Keratitis: An Epidemiological Study

1Ophthalmology Department, Tanta University, Gharbeya Governorate, El Geish Street, Tanta 31111, Egypt
2Public Health Department, Tanta University, Gharbeya Governorate, El Geish Street, Tanta 31111, Egypt
3Botany Department, Faculty of Science, Tanta University, Gharbeya Governorate, El Geish Street, Tanta 31111, Egypt

Received 3 September 2014; Accepted 18 November 2014; Published 7 December 2014

Academic Editor: Hermann Mucke

Copyright © 2014 Mohammad M. Khater et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Purpose. This work aims to study the problems encountered with and the different epidemiological features of patients with fungal keratitis. Patients and Methods. All cases with keratitis attending the Outpatient Clinic of Ophthalmology Department at Tanta University Hospital during three years from the first of January 2011 to the end of December 2013 were selected and carefully examined and cases with mycotic keratitis were further examined and investigated. Results. From 66303 attendants during this period with different complaints, there were 361 cases (0.54%) with mycotic keratitis and 473 cases (0.71%) of nonmycotic origin. Mycotic keratitis is common between 40 and 60 years, more in farmers (64%), families with large number and large crowding index, rural than urban residence, and patients with outdoor water sources and insanitary sewage disposal. Positive fungal cultures were obtained in 84.5% and were negative in 15.5% of cases in spite of their typical clinical findings for diagnosis and their improvement with antifungal therapy. Conclusion. Mycotic keratitis is more frequent in farmers, rural areas, outdoor water supply, insanitary sewage disposal, and patients preceded with organic trauma. Atypical clinical findings were found in some cases and not all cases improved with specific antifungal therapy.