Management and Outcome of Microbial Anterior Scleritis

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Purpose:To evaluate the prevalence, predisposing factors, and outcomes of bacterial and fungal scleritis.Methods:We reviewed the clinical findings, therapeutic interventions, and visual outcomes of patients with suppurative scleral inflammation without preceding microbial keratitis who had microorganisms isolated from scleral scrapings.Design:Retrospective interventional case series.Results:Of 349 patients with scleritis diagnosed from 1999 to 2009, 6 adults (1.7%) presented with suppurative inflammation of the anterior sclera due to Pseudomonas aeruginosa (2), Streptococcus pneumoniae (2), Staphylococcus aureus (1), and Scedosporium apiospermum/Pseudallescheria boydii (1). Each had ocular surgery of the affected eye before presentation. Intraocular extension occurred in 2 eyes. After local and systemic antimicrobial therapy, all improved without evisceration or enucleation, and 4 attained vision of 20/60 or better.Conclusions:Bacterial or fungal scleritis is an uncommon ocular infection that can belatedly follow anterior segment procedures. Antimicrobial therapy and surgical intervention can successfully control progressive suppuration and reduce vision-limiting complications.

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