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Brief Title: Optical Coherence Tomography of Nerve Fiber Layer and Ganglion Cell Complex After Cataract Extraction
Official Title: Comparison Between OCT Nerve Fiber Layer and Ganglion Cell Complex Parameters Following Cataract Extraction in Patients With or Without Primary Open Angle Glaucoma
Study ID: NCT03889652
Brief Summary: Optical coherence tomography (OCT) for retinal nerve fiber layer (RNFL) and ganglion cell complex (GCC) is done before and after cataract extraction in patients with or without primary open angle glaucoma (POAG)
Detailed Description: The investigator's study includes two groups of patients, each consists of 25 eyes, group 1 (cataract group)includes patients who are planned for cataract extraction without any other preexisting retinal or optic nerve pathology that may affect the RNFL thickness, while group 2 (combined cataract and glaucoma group) includes patients who are diagnosed with POAG controlled on medical treatment with cataract and planned for cataract extraction only. The OCT scans with complete ophthalmological examination are done before surgery and 6 weeks after uneventful cataract extraction (phacoemulsification with intraocular lens implantation)
Minimum Age: 50 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: ALL
Healthy Volunteers: Yes
Kasr Al-Ainy teaching hospital, Cairo, , Egypt