Publications by authors named "Nisar Siyal"
Objective: To analyse anatomical outcome after removal of silicone oil endotamponade in complicated cases of retinal detachment with reference to frequency and timings, and to study factors affecting the outcome.
Methods: The retrospective study was conducted at one public-sector and one private-sector hospital in Karachi, and comprised data related to patients who underwent pars plana vitrectomy with silicone oil endotamponade for complicated retinal detachment and subsequent removal of silicone oil between 1996 and 2015. The surgery had been carried out by both active and passive methods.
Objective: To document clinical pattern of retinoblastoma in Pakistani population.
Methods: This retrospective study, which was conducted at Department of Ophthalmology, Dow University of Health Sciences, Karachi, reviewed clinical records of patients with retinoblastoma from 1997 to 2012. Staging of disease was done by referring to retinal diagrams, RetCam images, and first magnetic resonance imaging.
Purpose: To study anatomical and functional outcomes of retinectomies in rhegmatogenous retinal detachments complicated by proliferative vitreoretinopathy.
Methods: This is a retrospective interventional consecutive case series of eyes with rhegmatogenous retinal detachments complicated by advanced proliferative vitreoretinopathy and managed by relaxing retinectomy over a period of seventeen years. Three-port pars plana vitrectomy included core vitrectomy and removal of all epi-retinal membranes.
We report a prospective case series on the anatomical, and functional outcomes, and complications of focal treatment of retinoblastoma to residual tumors in patients who had already received chemotherapy. We examined the patients of retinoblastoma under general anaesthesia with Ret Cam II. Patients with lesions from Group 1 to Group 5 of Reese Ellsworth classification at presentation.
View Article and Find Full Text PDFObjective: To study the outcomes of passive removal of silicone oil by 23 Gauge Transconjunctival Sutureless Vitrectomy System.
Methods: This prospective, consecutive case series study was conducted at Ophthalmology Department Unit I, Dow University of Health Sciences, Civil Hospital Karachi from January 2011 to December 2014. Only psuedophakic eyes with silicone oil temponade were selected.
Comparison of efficacy of storage of amniotic membrane at -20 and -80 degrees centigrade.
J Coll Physicians Surg Pak
April 2015
Objective: To compare the efficacy of storage of amniotic membrane at -20 and -80 degrees centigrade.
Study Design: Interventional quasi-experimental study.
Place And Duration Of Study: Department of Ophthalmology, Unit 1, Dow University of Health Sciences and Civil Hospital, Karachi, from January 2009 to December 2010.