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Early diagnosis and treatment are crucial for combating keratomycosis, a serious fungal eye infection affecting over a million people annually. Prompt intervention with effective antifungal therapies improves vision outcomes and prevents severe complications like corneal perforation.

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Area of Science:

  • Ophthalmology
  • Infectious Diseases
  • Microbiology

Background:

  • Keratomycosis (fungal keratitis) is a significant cause of vision loss, affecting over 1 million individuals globally each year.
  • Fungal eye infections often present challenges in diagnosis and treatment, leading to delayed care and increased risk of corneal perforation.
  • Effective management hinges on early detection and appropriate antifungal strategies to preserve sight.

Purpose of the Study:

  • To review current diagnostic techniques for fungal keratitis, including microscopy, molecular methods, and omics-based technologies.
  • To evaluate the efficacy of various treatment modalities for fungal keratitis, focusing on topical natamycin and novel interventions.
  • To provide insights into clinical trials shaping current management practices for this vision-threatening infection.

Main Methods:

  • Review of clinical trials and diagnostic techniques for fungal keratitis.
  • Analysis of diagnostic methods: corneal scrapings, in vivo confocal microscopy, PCR, and omics technologies.
  • Assessment of treatment efficacy: topical antifungals, intrastromal/intracameral injections, photodynamic therapy, and surgery.

Main Results:

  • Delayed diagnosis (2-3 weeks) is common, leading to suboptimal treatment outcomes.
  • Topical antifungals are the first line of treatment, but penetration and bioavailability can be limited.
  • Emerging therapies and surgical interventions are crucial for refractory cases.

Conclusions:

  • Timely diagnosis and appropriate antifungal treatment are essential for favorable outcomes in fungal keratitis.
  • Topical natamycin remains a key therapy for filamentous fungal keratitis, but alternative and advanced treatments are vital.
  • Continued research into diagnostics and therapeutics is necessary to combat the growing threat of keratomycosis worldwide.