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Published on: August 2, 2024
The Case for Fungal Keratitis to Be Accepted as a Neglected Tropical Disease
Lottie Brown1, Guyguy Kamwiziku2, Rita O Oladele3
1Manchester Fungal Infection Group, Faculty of Biology, Medicine and Health, University of Manchester, Manchester M13 9PL, UK.
Abstract:
Amongst the treatable cause of blindness among young people, fungal keratitis ranks high. There are an estimated 1,051,787 to 1,480,916 eyes affected annually, with 8-11% of patients having to have the eye removed. Diagnosis requires a corneal scraping, direct microscopy and fungal culture with a large number of airborne fungi implicated. Treatment involves the intensive application of antifungal eye drops, preferably natamycin, often combined with surgery. In low-resource settings, inappropriate corticosteroid eye drops, ineffective antibacterial therapy, diagnostic delay or no diagnosis all contribute to poor ocular outcomes with blindness (unilateral or bilateral) common. Modern detailed guidelines on fungal keratitis diagnosis and management are lacking. Here, we argue that fungal keratitis should be included as a neglected tropical disease, which would facilitate greater awareness of the condition, improved diagnostic capability, and access to affordable antifungal eye medicine.
Insights
Fungal keratitis is a leading cause of treatable blindness in young people, affecting over a million eyes yearly. Advocating for its recognition as a neglected tropical disease can improve diagnosis and access to essential antifungal treatments.
Area of Science:
- Ophthalmology
- Infectious Diseases
- Public Health
Background:
- Fungal keratitis is a significant cause of preventable blindness, particularly affecting young individuals.
- An estimated 1 to 1.48 million eyes are affected annually, with 8-11% requiring enucleation.
- Suboptimal diagnosis and treatment in low-resource settings exacerbate poor visual outcomes.
Purpose of the Study:
- To highlight the global burden of fungal keratitis.
- To underscore the need for updated diagnostic and management guidelines.
- To advocate for classifying fungal keratitis as a neglected tropical disease.
Main Methods:
- Review of current epidemiological data on fungal keratitis.
- Analysis of diagnostic and treatment challenges, especially in resource-limited areas.
- Argument for policy change regarding disease classification and resource allocation.
Main Results:
- Fungal keratitis presents a substantial public health challenge with high rates of blindness and eye loss.
- Current diagnostic and treatment protocols are often inadequate, leading to severe consequences.
- Lack of comprehensive guidelines contributes to delayed or incorrect management.
Conclusions:
- Fungal keratitis requires greater global attention and resources.
- Inclusion as a neglected tropical disease would drive awareness, improve diagnostics, and ensure access to affordable antifungals.
- Enhanced strategies are crucial to prevent blindness from fungal eye infections.
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