Abstract

Objectives: To review the prevalence of primary open angle glaucoma in patients with high myopia. Study Design: Observational Study. Setting: Department of Ophthalmology, KDA Teaching Hospital Kohat. Period: January 2019 to December 2019. Material & Methods: During this period 93 high myopic patients were selected. Informed consents were taken from them after explaining the purpose, procedure and tests required for diagnosis. Out of 93 patients 74 were male and 19 were female. Age range of the patients was from 20 to 57 years with mean age 43 years. Proper proforma was designed for documentation of intraocular pressure, perimetry, fundoscopy (Cup-disc ratio) and Optical coherence topography. Refraction of all patients was done with auto-refractometer and then subjectively. All 93 patients were high myopic with refractive error of -6 diopter spherical and above. Intraocular pressure was checked with air puff tonometer. Anterior segment examination was checked with slit lamp. Gonioscopy was done in 9 patients whose angles were suspected to be narrow or open. Pupils were dilated with tropicamide eye drops. Fundosopy with direct and indirect slit lamp biomicrosopy was done for Cupped-Disc ratio. 2 patients who had high intraocular pressure with no glaucomatous cupping disc were advised Optical coherence topography. Perimetry to all patients was advised with automated visual field analyzer. Results: Out of 93 high myopic patients 13(13.97%) had glaucomatous features. Out of 13 patients intraocular pressure more than 21mmHg and glaucomatous field defects were present in 100% while glaucomatous cupping discs were present in 11(84.61%) patients. Conclusion: High myopia is high risk association with primary open angle glaucoma.

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