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Abstract
To determine the prevalence of pathological myopia among patients attending Kasr Elainy outpatient ophthalmology clinic and to determine the prevalence of retinal manifestations present among them. This study was a 2 phase cross sectional study. In phase 1, the prevalence of high myopia was determined. It included 1289 eyes of 668 patients (ages 14 - 84 years). These eyes underwent full ophthalmological examination as well as non cycloplegic refraction or A scan ultrasonography if refraction was not possible. Eyes found to be highly myopic, defined as refraction more than or equal to - 6D spherical equivalent and/or have an axial length more than or equal to 25.5 mm, were recorded to determine the prevalence and entered phase 2 of the study. In phase 2, the prevalence of retinal manifestations among highly myopic eyes found in phase 1 was determined. Of the 140 identified highly myopic eyes, 127 eyes underwent fundus examination, optical coherence tomography, fundus photography and A scan and B scan ultrasonography. Manifestations present were recorded for each eye and the prevalence of each manifestation was determined