Comparative Analysis of Biofilm Formation in Bacterial and Fungal Isolates from Contact Lens and Non-Contact Lens Associated Keratitis
ABRAHAM, K. S.; RAVI, S. S. S.; VAJRAVELU, L. K.
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Microbial keratitis is a sight-threatening corneal infection with varying etiological agents, primarily bacteria and fungi. Assessing and contrasting the virulence factors of microorganisms isolated from a non-contact lens-associated keratitis (NCLAK) and contact lens-associated keratitis (CLAK) is the goal of the current investigation. Samples were collected from over 60 patients and analysed using standard microbiological techniques, including culture, Gram staining, KOH mount, biochemical tests, antimicrobial susceptibility testing, and biofilm assays. The results demonstrated that CLAK isolates were predominantly bacterial, especially Pseudomonas aeruginosa, known for strong biofilm production and high multidrug resistance. In contrast, NCLAK showed a higher incidence of fungal infections, particularly Candida albicans. The results highlight the significance of early diagnosis, tailored and improved awareness regarding contact lens hygiene to prevent complications associated with keratitis.
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