Hesam Hashemian

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PURPOSE To evaluate the effect of mechanical implantation of a continuous intrastromal ring in keratoconus. DESIGN Prospective, interventional, nonrandomized, case series. METHODS The MyoRing (Dioptex GmbH) was implanted after creation of an intrastromal pocket for 95 eyes of 95 patients with moderate and advanced keratoconus. All patients had at least(More)
OBJECTIVES The aim of the study was to compare the quality of sedation with 3 different sedation regimens in upper gastrointestinal endoscopy (UGIE) in pediatric patients. METHODS One hundred fifty consecutive children who underwent UGIE were randomly assigned to 1 of the 3 medication regimens. Patients in group A (n = 49) received placebo. Forty-five(More)
PURPOSE To evaluate the outcome of accelerated and conventional corneal cross-linking (CXL) procedures regarding their effect on morphological and optical properties of the cornea. METHODS One hundred fifty-three eyes of 153 patients were evaluated before and during a 15-month follow-up period after CXL (76 eyes in the conventional group and 77 eyes in(More)
PURPOSE To assess the clinical outcomes after continuous intracorneal ring (ICR) implantation for the management of keratoconus using femtosecond laser technology. SETTING Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran. DESIGN Prospective nonrandomized consecutive case series. METHODS All patients presented with reduced(More)
PURPOSE To quantitatively analyze central corneal thickness (CCT) in patients with primary angle closure glaucoma (PACG) and primary open-angle glaucoma (POAG), and to evaluate its correlation with severity of glaucoma. METHODS In this retrospective study, records of patients with previously diagnosed POAG or PACG at a tertiary glaucoma service were(More)
PURPOSE To compare anterior segment parameters between 1-piece and 3-piece acrylic foldable intraocular lenses (IOLs). SETTING Farabi Eye Hospital, Tehran, Iran. DESIGN Prospective randomized comparative case series. METHOD Eyes scheduled for phacoemulsification were randomized into 2 equal groups to receive a 1-piece (AcrySof SA60AT) or 3-piece(More)
PURPOSE To report the incidence of endophthalmitis after senile cataract surgery and to describe the epidemiology and main risk factors. DESIGN Retrospective, single-center, cross-sectional descriptive study. PARTICIPANTS Patients who underwent cataract surgery in Farabi Eye Hospital from 2006 through 2014. METHODS All patients were evaluated(More)
PURPOSE To assess tear film stability, ocular surface disease index (OSDI) score, Schirmer test value, tear film breakup time (TBUT), and tear osmolarity after photorefractive keratectomy (PRK). METHODS We enrolled 50 eyes from 25 patients who were PRK candidates (15 men, 10 women). The mean age was 31.9 ± 4.5 years. Dry eye severity was evaluated using(More)
PURPOSE The aim of this study was to evaluate the clinical outcomes of intrastromal MyoRing (Dioptex, GmbH, Linz, Austria) implantation at 2 different depths of 250 and 300 μm. METHODS This was a prospective interventional randomized controlled trial, a pilot study. Keratoconic patients with keratometry values between 48 and 52 diopters were randomly(More)
PURPOSE To assess the efficacy, predictability, safety, contrast sensitivity, higher-order aberrations (HOAs), and patient satisfaction after tissue-saving photorefractive keratectomy (PRK) and conventional PRK. SETTING Department of Ophthalmology, Farabi Eye Hospital, Tehran Medical University, Tehran, Iran. DESIGN Comparative case series. METHODS(More)