RELATIONSHIP BETWEEN CENTRAL CORNEAL THICKNESS (CCT) AND INTRA OCULAR PRESSURE
Keywords:
Corneal thickness, Intraocular pressure, PachymetryAbstract
Objective:
To determine relationship between central corneal thickness (CCT) and intra ocular pressure(IOP).
Design:
Cross-sectional analytical study.
Methodology:
The study subject were recruited from Ophthalmology Outpatient Department, Dow Universityof Health Sciences and Civil Hospital Karachi, from January to July 2006.Patients above 40 years of ageof either gender having no history of ocular trauma, disease or surgery, neither suffering from systemicdisorder nor taking medicine for any disease were studied for CCT and IOP.Goldmann applanation tonometry and pachymetry were performed in a single session. IOP was measuredby Goldmann Applanation Tonometer (GAT). Pachymetry was performed with ultrasonic pachymeter.Regression analysis was conducted to determine relationship.
Result:
Six hundred eyes of 300 patients (male 53%, female 47%), were analyzed. Average IOP was 14.83mmHg. Average CCT was 548 microns. A significant association was found between CCT and IOP (r=0.63,p<0.001). CCT was found to be correlated linearly with increased IOP values (p<0.000).
Conclusions:
A positive relationship exists between CCT and IOP.
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Copyright (c) 2021 Mashhood uz zafar, Ziauddin A. Shaikh
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