Abstract
Aim: The aim of the study is to determine correlation between the retinal nerve fiber layer thickness (RNFL) and central corneal thickness (CCT) in patients with ocular hypertension (OHT) and age-matched control. Materials and Methods: This was a prospective, observational study, done between January 2016 and June 2017 at a rural tertiary care eye center. Participants diagnosed with OHT, defined as an intraocular pressure (IOP) of 21 mm Hg or higher, with normal optic disc and visual field, in the absence of any other ocular disease, were included in the study. The control group included age- and sex-matched participants with normal IOP, optic discs, and visual fields. Patients with OHT were subdivided into thin (CCT ≤555 μm) and thick (CCT >555 μm) corneas. RNFL was measured with spectral-domain optical coherence tomography and CCT with ultrasound pachymetry. Statistical Analysis: Mean, percentage, and standard deviation were used for descriptive values. Mean, standard deviation, and 95% confidence interval were utilized for the analysis of IOP, CCT, and RNFL. Mean was compared using the independent t-test. P
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