ArticleThe British journal of ophthalmology2024
Retrospective analysis on the outcomes of contact lens-associated keratitis in a tertiary centre: an evidence-based management protocol to optimise resource allocation.
Article in The British journal of ophthalmology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
BACKGROUND/
aimsContact lens-associated keratitis (CLAK) is a common sight-threatening complication of contact lens use. Current management protocols in the UK are based on historical practice and necessitate a review for every patient within 48 hours regardless of severity, increasing the treatment burden on a resource-limited healthcare service. Our study aims to identify the different risk factors associated with CLAK, categorise CLAK using a novel grading system and recommend modifications to current management protocols based on the outcomes in the individual subgroups.
methodsThe retrospective cohort study identified 161 eyes from 153 patients with CLAK from the electronic patient records of a tertiary eye centre between 1 July 2021 and 28 February 2022. Patients were categorised based on epithelial defect size (grade 1: <1.0 mm, grade 2: 1.0-2.0 mm, grade 3: >2.0 mm) and their risk factors, clinical features, treatments and outcomes were analysed.
resultsThe most significant risk factors for CLAK include extended-wear contact lens, poor hygiene and prolonged duration of wear. Grades 1 and 2 CLAKs have excellent outcomes following an empirical treatment regime with topical moxifloxacin with 96% discharged within 48 hours and 94.1% discharged in 2 weeks, respectively. Grade 3 CLAKs require prolonged average duration of treatment.
conclusionWe recommend typical grade 1 and 2 CLAKs can be discharged with empirical fluoroquinolone treatment. Grade 3 and all CLAKs with atypical features require monitoring for resolution, further diagnostics or treatment. We provide an evidence-based approach to reduce unnecessary patient visits and optimise resource allocation in an urban setting.
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