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:: Volume 14, Issue 1 (Winter 2023) ::
Caspian J Intern Med 2023, 14(1): 112-120 Back to browse issues page
Age-Specific Distribution of Intraocular Pressure in Elderly Iranian Population and Its Associated Factors
MohammadJavad Ghanbarnia , Nour Mohammad Panahi , Seyed Ahmad Rasoulinejad * , Seyed Reza Hosseini , Hoda Shirafkan , Gholam Abbas Roustaei , Ebrahim Mikaniki , Mehrnoosh Ghasemi , Reza Ghadimi , Ali Bijani
Department of Ophthalmology, Ayatollah Rouhani Hospital, Babol University of Medical Sciences, Babol, Iran , rasolisa2@gmail.com
Abstract:   (1351 Views)
Background: The purpose of this study was to determine the distribution of intraocular pressure (IOP) and assess its association with age, sex, systemic blood pressure, diabetes mellitus, body mass index (BMI) and tobacco smoking in Iranian elderly population.
Methods: This cohort-based, cross-sectional study assessed elderly individuals aged 60-90 years in Amirkola, northern Iran, in 2016-2017. Past medical history, blood pressure, diabetes mellitus, BMI and tobacco smoking were recorded through an interview and physical examination. IOP was assessed using non-contact tonometry.
Results: Total of 1377 individuals participated in this study, out of which 1346 IOP measurements were included for the final analysis. The mean age of participants was 69.4 ± 7.1 years and mean IOP was determined to be 16.7 ± 3.2 mmHg. Majority of the participants were males (56.1% vs 43.1%), 73.8% of participants were overweight or obese, 6.1% smoked tobacco, 28.9% had diabetes mellitus and 84.9% had higher than normal blood pressure. Through multiple regression analysis, it was determined that age (β=-0.132, p<0.001) was negatively associated with IOP, and the presence of diabetes mellitus (β=0.118, p<0.001), systolic blood pressure (β=0.101, p<0.001), and BMI (β=0.020, P=0.020) were positively associated with IOP.
Conclusion: Mean IOP of individuals in this study was higher than average based on other studies. Age, was negatively and systemic blood pressure, BMI and presence of diabetes mellitus were positively associated with mean IOP of elderly Iranian population. Sex and tobacco smoking were not correlated with IOP.

Keywords: Intraocular Pressure, Intraocular Hypertension, Ocular Tonometry, Glaucoma, Cohort study, Body Mass Index, Diabetes Mellitus, Blood Pressure
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Type of Study: Original Article | Subject: Ophtalmology
Received: 2022/05/22 | Accepted: 2022/09/6 | Published: 2023/01/21
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Ghanbarnia M, Panahi N M, Rasoulinejad S A, Hosseini S R, Shirafkan H, Roustaei G A, et al . Age-Specific Distribution of Intraocular Pressure in Elderly Iranian Population and Its Associated Factors. Caspian J Intern Med 2023; 14 (1) :112-120
URL: http://caspjim.com/article-1-3497-en.html

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Volume 14, Issue 1 (Winter 2023) Back to browse issues page
Caspian Journal of Internal Medicine
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