Corneal-compensated Intraocular Pressure, Goldmann-correlated Intraocular Pressure and Their Associated Factors in the Geriatric Population, a Population-based Study

Overview

Journal Int Ophthalmol

Specialty Ophthalmology

Date 2022 Jan 4

PMID 34981293

Citations 1

Authors

Fereshteh Shokrollahzadeh

Hassan Hashemi

Abbasali Yekta

Hadi Ostadimoghaddam

Ebrahim Jafarzadehpour

Mehdi Khabazkhoob

Affiliations

Soon will be listed here.

Abstract

Purpose: To determine the distribution of corneal-compensated intraocular pressure (IOPcc), Goldmann-correlated intraocular pressure (IOPg) and their associated factors in a geriatric population.

Methods: The present cross-sectional study was performed in individuals above 60 years of age in Tehran, the capital of Iran. The sampling was performed using multi-stage random cluster sampling method. All participants underwent preliminary ocular examinations, and then imaging by Pentacam HR and IOL master 500. Measurement of IOPg, IOPcc, and corneal biomechanical indices including corneal hysteresis (CH) and corneal resistant factor (CRF) was performed in a random sub-sample using ocular response analyzer (ORA).

Results: The mean IOPg and IOPcc were 16.76 ± 4.71 mmHg and 19.05 ± 4.67 mmHg, respectively. There were no statistically significant differences in both IOPg (p = 0.891) and IOPcc (p = 0.248) between males and females. Based on the multiple linear regression models, both IOPg and IOPcc showed a statistically significant direct relationship with CRF (P < 0.001) and a significant inverse relationship with CH (P < 0.001 for IOPg and IOPcc), anterior chamber angle (ACA) (p = 0.006 for IOPg and p = 0.017 for IOPcc), and spherical equivalent refractive error (p = 0.032 for IOPg and p = 0.046 for IOPcc).

Conclusion: Mean IOPg and IOPcc in the present study were higher compared to most previous studies. Corneal biomechanical indices including CH and CRF, refractive error and anterior chamber angle were independent associated factors of IOPg and IOPcc in the present study. There was no significant relationship between ORA-derived IOP values and CCT.

Citing Articles

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Hashemi A, Hashemi H, Jamali A, Ghasemi H, Ghazizadeh Hashemi F, Khabazkhoob M Sci Rep. 2024; 14(1):2301.

PMID: 38280884 PMC: 10821922. DOI: 10.1038/s41598-024-52389-6.

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