Abstract
To determine risk factors and clinical course of corneal ulcers in the setting of opioid use. A retrospective cohort study was performed of patients presenting with bacterial or fungal keratitis at a county hospital from 2010-2021. Subjects were separated into three groups: opioid drug users (heroin, methadone, fentanyl), non-opioid drug users, and non-drug users. 24 opioid users, 77 non-opioid drug users, and 38 non-drug users were included in the study. Chi-square and t-tests were used to compare hospitalization for corneal ulcer treatment; length of hospitalization; loss to follow-up; final best corrected visual acuity (BCVA); medication noncompliance; time to ulcer resolution; and visual disability (defined either by the legal limit for driving in California or the federal limit for blindness). Opioid users had higher rates of unemployment (p=0.002), homelessness (p=0.018), and psychiatric conditions (p=0.024) compared with non-opioid and non-drug users. They had more severe presentations, with worse initial BCVA of the affected eye (p=0.003), larger ulcer size (p=0.023), and higher rates of individuals below the legal vision thresholds for driving (p=0.009) and blindness (p=0.033) at initial presentation. Opioid use was associated with increased rate of hospitalization (p<0.001), higher fortified antibiotic use (p=0.009), worse final BCVA of the affected eye (p=0.020), and increased rates of BCVA worse than the legal vision thresholds for driving (p=0.043) and blindness (p<0.001) on final presentation. Infectious keratitis associated with opioid use is associated with more severe presentations and poorer outcomes, including higher rates of visual disability.
Accepted Version
Published Version
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