Mohamed A. Awadalla

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INTRODUCTION To evaluate the vitreoretinal complications in myopes after Visian implantable collamer lenses (ICL) implantation. MATERIALS AND METHODS This is a retrospective, observational, non-comparative clinical study that evaluated 617 consecutive myopes who underwent ICL implantation at the Department of Refractive Surgery, Yemen Magrabi Hospital,(More)
PURPOSE To analyze and compare higher-order aberrations (HOAs) in cases of laser in situ keratomileusis (LASIK) flaps made using the Moria M2 disposable 130-micronm head with those made using the 90-micronm head. METHODS Consecutive prospective comparative clinical trial. Ninety-four consecutive eyes of 48 patients were enrolled in this study. They were(More)
OBJECTIVE To compare the outcome of phacoviscocanalostomy in pseudoexfoliation glaucoma (PEXG) versus that in primary open-angle glaucoma (POAG). DESIGN Prospective comparative study. PARTICIPANTS Sixty eyes of 60 patients who underwent phacoviscocanalostomy for cataract and medically uncontrolled PEXG (30 eyes) or POAG (30 eyes). METHODS Success rate(More)
PURPOSE To evaluate the outcome and potential reversibility of the changes induced in keratoconic eyes after intracorneal ring segment explantation. DESIGN Retrospective, interventional case series. PARTICIPANTS Five eyes of 4 patients who underwent uneventful implantation of one or two intracorneal ring segment segments for the correction of clear(More)
OBJECTIVE To evaluate vitreoretinal complications in patients undergoing laser keratorefractive surgery. METHODS This retrospective observational non-comparative clinical study was carried out between June 2005 and March 2008, and included 4691 consecutive laser keratorefractive surgery procedures for 2480 patients performed in the Department of(More)
In this paper an Intentional Controlled Islanding (ICI) scheme is investigated as a last resort corrective action, to prevent an imminent blackout. The proposed methodology for ICI is based on simulated real-time measurements from Phasor Measurement Units (PMUs) which are used for online identification of power system dynamic behavior. The methodology aims(More)
PURPOSE To study the effect of the LASIK procedure performed with a femtosecond laser and a manual microkeratome on the conjunctival goblet cell and epithelial cell populations. METHODS In this prospective, nonrandomized, masked study, 64 eyes undergoing LASIK were included: 30 with the Moria M2 (M2) microkeratome and 34 with the IntraLase femtosecond(More)
OBJECTIVE To determine the intraoperative and early postoperative complications and visual outcome of laser in situ keratomileusis (LASIK) surgery for the correction of myopia. METHODS The first 2000 consecutive myopic LASIK eyes operated at the Department of Refractive Surgery, Yemen Magrabi Hospital, Sana'a, Yemen from June 2005 to October 2006 were the(More)
PURPOSE Coexisting pseudoexfoliation glaucoma (PEXG) and cataract represents a special challenge. Although phacotrabeculectomy is an effective procedure, it combines the risks of phacoemulsification and trabeculectomy. This study evaluates phacoviscocanalostomy to manage eyes with PEXG and cataract. METHODS We conducted a prospective noncomparative study(More)