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Research Article: Associations of smoking and alcohol consumption with the development of open angle glaucoma: a retrospective cohort study

Date Published: 2023-10-04

Abstract:
Objectives To investigate the associations of alcohol consumption and smoking with the development of perimetric glaucoma in patients with suspected glaucoma. Design A retrospective cohort study of patients suspected to have glaucoma enrolled in the Diagnostic Innovations in Glaucoma Study (DIGS) and the African Descent and Glaucoma Evaluation Study (ADAGES). Setting Three tertiary glaucoma centres in the USA. Participants 825 eyes of 610 patients with glaucoma suspect eyes with normal visual fields (VF) at baseline were followed over an average of 9 years from the DIGS and ADAGES studies. Outcome measures Development of glaucoma was defined as occurrence of three consecutive abnormal VF tests during follow-up. Univariable and multivariable Cox regression models were used to investigate lifestyle-related factors associated with development of VF loss over time. Results VF tests were abnormal three times in a row in 235 (28.5%) eyes. Alcohol consumption was associated with a higher risk of developing glaucoma (HR 1.57, 95% CI 1.03 to 2.38, p=0.037). In men, the risk of developing glaucoma in alcohol drinkers (HR 1.92, 95% CI 1.00 to 3.68, p=0.048) was greater than non-alcohol drinkers. In individuals of African descent, the risk of developing glaucoma in alcohol drinkers (HR 1.79, 95% CI 1.02 to 3.15, p=0.043) was greater than non-alcohol drinkers. Age was a modifier of the relationship between smoking and glaucomatous VF defects (p=0.048). The risk of developing glaucoma in smokers (HR 1.73, 95% CI 1.10 to 2.72, p=0.019) was greater than never smokers after adjustment for confounding factors in older patients (age >61 years). Conclusion Alcohol consumption was associated with an increased risk of developing glaucoma, particularly in men and individuals of African descent. The risk of developing glaucoma among smokers suspected of having glaucoma was influenced by age, with older individuals having a higher risk than younger people. Trial registration number NCT00221897 and NCT00221923 .

Introduction:
Glaucoma is a progressive optic neuropathy characterised by retinal ganglion cell degeneration and associated visual field (VF) damage. 1 Given the chronic, progressive, and irreversible nature of glaucoma, understanding risk factors that influence glaucoma development is important. 2 Elevated intraocular pressure (IOP) is currently the main risk factor for glaucoma development and progression. 3 However, not every patient with ocular hypertension will develop glaucoma, and glaucoma may also develop in those with…

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