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  • Title: Herpes Zoster Ophthalmicus Clinical Presentation and Risk Factors for Loss of Vision.
    Author: Niederer RL, Meyer JJ, Liu K, Danesh-Meyer HV.
    Journal: Am J Ophthalmol; 2021 Jun; 226():83-89. PubMed ID: 33571476.
    Abstract:
    PURPOSE: To determine the rate of moderate and severe vision loss following herpes zoster ophthalmicus (HZO) and to identify associated factors. DESIGN: Retrospective cohort study. METHODS: All subjects with acute HZO seen at a single center from 2006 to 2016 were included in the study. The primary outcome measure was the proportion of individuals with moderate and/or severe loss of vision following an acute episode of HZO. Secondary outcome measures included causes and factors associated with permanent loss of vision owing to HZO. RESULTS: A total of 869 patients with acute HZO were identified with a median follow-up time of 6.3 years (interquartile range 3.7-8.9 years). Ocular involvement of HZO was diagnosed at or within the first month of presentation in 737 individuals (84.8%). The most common sites of ocular involvement were conjunctivitis (76.1%), followed by keratitis (51.2%) and uveitis (47.6%). Moderate vision loss (≤20/50) secondary to HZO occurred in 83 eyes (9.6%) while severe vision loss (≤20/200) occurred in 31 eyes (3.6%). Causes of loss of vision included corneal scarring (94.0%), corneal perforation (4.8%), and secondary glaucoma (1.2%). Severe vision loss was associated with older age (hazard ratio [HR] 1.059, P = .001), immunosuppression (HR 3.125, P = .028), poor presenting visual acuity (HR 2.821, P = .002), and uveitis (HR 4.777, P = .004) on multivariate analysis. CONCLUSIONS: Among individuals with HZO, approximately 1 in 10 individuals may develop moderate or severe vision loss, primarily owing to corneal scarring. Older age, immunosuppression, and uveitis are associated with severe permanent loss of vision secondary to HZO.
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