ArticleFrontiers in medicine2026
Clinical features and management of medication-induced persistent corneal epithelial defects due to topical ophthalmic medications.
Article in Frontiers in medicine, 2026. 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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4 authors.
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Abstract
Objective: To investigate the impact of subacute preservative-containing eye drop usage on the ocular surface and to observe the clinical progression and management of medication-induced persistent corneal epithelial defects (MI-PCED). Methods: This retrospective study evaluated 60 cases (60 eyes) diagnosed with MI-PCED from January 2020 to January 2024. Data on the type, frequency, and duration of topical medication usage were collected. A multidisciplinary pharmacovigilance assessment evaluated causality, severity, and preventability of the adverse events. Upon diagnosis, the offending medications were discontinued and replaced with low-toxicity, preservative-free alternatives. For advanced epithelial decompensation with stromal involvement (Grades III and IV), bandage contact lenses (BCL) and amniotic membrane transplantation (AMT) were integrated into an exploratory step-wise management approach to promote epithelial wound healing. Treatment efficacy was evaluated using slit-lamp examination and Results: The clinical manifestation of MI-PCED initiated with epithelial roughness and dry eye symptoms, ultimately progressing to persistent epithelial defects and corneal ulcers. The severity of epithelial decompensation correlated significantly with the number of concurrent medications ( Conclusions: The severity of MI-PCED is heavily dependent on the type, subacute duration, and frequency of topical ophthalmic drug use. Management requires a flexible, step-wise strategy focused on restoring ocular surface homeostasis. This includes withdrawing toxic agents, preserving tear film stability with preservative-free tears, and strategically utilizing BCL and AMT to provide mechanical protection and biological support for severe epithelial decompensation.
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