Cornea · Bacterial keratitis

Microsporidial keratitis

Microsporidial keratitis is a rare corneal infection caused by microsporidia, obligate intracellular parasites, typically contracted through eye exposure to contaminated soil, mud, or water, or via ocular trauma. It presents in two forms: Keratoconjunctivitis (Superficial): More common in immunocompromised patients (e.g., HIV/AIDS), though increasingly seen in healthy individuals. Presents with red eye, foreign-body sensation, and coarse, grayish-white epithelial lesions. Stromal Keratitis: Predominant in immunocompetent patients, causing deep stromal infiltrates that mimic herpetic keratitis and often requiring surgical intervention. Diagnosis Corneal scrapings/biopsy under light microscopy (Giemsa, calcofluor white, or Weber stains) PCR testing for species identification

Contributed byShadab AhmadOptometrist, Internship ( UPUMS )

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