Publications by authors named "Abdelrahman Salman"
Prevalence of Keratoconus and Keratoconus Suspect among Patients Seeking Refractive Surgery in Syria.
Middle East Afr J Ophthalmol
January 2024
Purpose: The purpose of this study was to determine the prevalence of keratoconus (KC) and keratoconus suspect (KCS) among patients seeking refractive surgery in Syria.
Methods: This is a retrospective multicenter screening study. The study was conducted in Damascus University, Tishreen University, and Tartous Specialist Eye Center (a private center).
Aim: To establish the diagnostic accuracy of corneal and epithelial thickness measurements obtained by spectral-domain optical coherence tomography (SD-OCT) in detecting keratoconus (KC) and suspect keratoconus (SKC).
Methods: This retrospective study reviewed the data of 144 eyes separated into three groups by the Sirius automated corneal classification software: normal (N) ( = 65), SKC ( = 43), and KC ( = 36). Corneal thickness (CT) and epithelial thickness (ET) in the central (0-2 mm) and paracentral (2-5 mm) zones were obtained with the Cirrus high-definition OCT.
Purpose: To study the incidence and characteristics of bacillary layer detachment (BALAD) occurring with the two most common choroidal malignancies, choroidal metastasis and choroidal melanoma.
Methods: A retrospective multicentric record analysis. Eyes with a diagnosis of choroidal melanoma or choroidal metastasis that had good-quality fundus photography and spectral domain optical coherence tomography (OCT) scans of the macular and tumor regions allowing for delineation of the retinal layers were included for analysis.
Purpose: To compare the root mean square (RMS) of anterior corneal higher-order aberrations (HOAs) in ametropic and emmetropic eyes.
Methods: This retrospective observational study was conducted at the Department of Ophthalmology, Tishreen University Hospital, Latakia, Syria. Study eyes were divided into four groups based on refractive error: mild-to-moderate myopia, hypermetropia, myopic astigmatism, and emmetropic eyes as controls.
Aim: To investigate the application of anterior and posterior corneal higher-order aberrations (HOAs) in detecting keratoconus (KC) and suspect keratoconus (SKC).
Method: A retrospective, case-control study evaluating non-ectatic (normal) eyes, SKC eyes, and KC eyes. The Sirius Scheimpfug (CSO, Italy) analyses was used to measure HOAs of the anterior and posterior corneal surfaces.
Aim: To determine the prevalence and associations of keratoconus (KC) in a university student population in Syria.
Methods: A prospective multicentre cross-sectional cohort study was conducted at two universities in Syria. Student volunteers were recruited from Tishreen University (Latakia governorate) and Damascus University (Damascus governorate).
Aim: To evaluate changes in corneal higher-order aberrations (HOAs) following epithelium-off accelerated corneal cross-linking (A-CXL) and to explore the impact on visual acuity.
Methods: In this retrospective case series, 32 eyes of 24 patients with keratoconus (KC) underwent A-CXL. Treatment was delivered at 10 mW/cm for 9 min with a total dose of 5.
Purpose: This article aims to compare between intravitreal (IV) and suprachoroidal (SC) triamcinolone acetonide (TA) injection for the treatment of diabetic macular edema (DME) in terms of improvement in both best-corrected visual acuity (BCVA) and central macular thickness (CMT), and development of complications (intraocular pressure (IOP) rise and cataract progression), and to identify the efficient dose of TA using the SC route.
Patients And Methods: This prospective interventional randomized comparative study included 45 eyes of 32 patients, randomly divided into three groups, group I received 4 mg/0.1 mL intravitreal TA (IVTA), group II received 4 mg/0.
Aim: To assess the efficacy and safety of accelerated corneal cross-linking in the treatment of pediatric keratoconus.
Method: In this retrospective case series, 29 eyes of 20 pediatric patients with keratoconus underwent accelerated corneal cross-linking. Treatment was delivered at 10 mW/cm for 9 minutes with a total dose of 5.
Aim: To estimate the sensitivity and specificity of topographic and tomographic corneal parameters as determined by Sirius (CSO, Florence, Italy) in discriminating keratoconus (KC) and suspect keratoconus from normal cornea.
Method: In this retrospective case-series study, keratoconus screening indices were measured using Sirius tomographer. Receiver operating characteristics (ROC) curves were used to determine the test's overall predictive accuracy (area under the curve) and to identify optimal cut-off points to maximize sensitivity and specificity in differentiating keratoconus and suspect keratoconus from normal corneas.
Aim: To evaluate the long-term outcomes of corneal cross-linking (CXL) in patients with progressive keratoconus.
Method: In this retrospective non-comparative study, forty-five eyes of 31 patients with progressive keratoconus were treated with 30 min "epi-off" corneal cross-linking. The visual, refractive, topographic and tomographic outcomes were evaluated preoperatively and at least 10 years after cross-linking.
Purpose: To compare the outcomes of accelerated versus standard corneal cross-linking for the treatment of progressive keratoconus.
Methods: In this retrospective comparative study, 63 eyes of 40 patients with progressive keratoconus were divided into two groups; 27 eyes in group one were treated with an accelerated protocol (10 mW/cm , 9 min) and 36 eyes in group two were treated with the standard method (3 mW/cm , 30 min). Visual acuity, refraction, corneal topography, corneal tomography, and anterior and posterior corneal higher-order aberrations (HOAs) were assessed preoperatively and 18-30 months postoperatively.
Background: Vitiligo is a common skin condition affecting 0.5-2% of the population. The exact etiology of the condition is unknown, but the result is autoimmune destruction of melanocytes.
View Article and Find Full Text PDFAim: To compare the efficacy and safety of collagen matrix implant [Ologen (OLO) implant] versus mitomycin C (MMC) with subscleral trabeculectomy (SST) for the surgical treatment of congenital glaucoma (CG) in Sturge-Weber Syndrome (SWS).
Methods: A prospective comparative randomized study of 20 eyes of 16 patients with CG associated with SWS was divided into two groups. The first group (MMC Group) included 10 eyes that were subjected to SST with MMC.
Aim: To assess the changes in corneal hysteresis (CH) and corneal resistance factor (CRF) 1-year following transepithelial corneal collagen cross-linking (CXL) treatment in eyes of children with keratoconus.
Methods: This case series was conducted in 22 eyes of 22 children. Children aged < 18 years with progressive keratoconus were included.
Purpose: To evaluate the effect of oral sofosbuvir on the ocular surface of Egyptian patients with chronic hepatitis C virus infection.
Methods: This prospective randomized comparative study was performed on 300 eyes undergoing sofosbuvir therapy with peginterferon and ribavirin and on 300 eyes undergoing treatment with only peginterferon and ribavirin. Patients were evaluated for dry eye subjectively (Ocular Surface Disease Index questionnaire) and objectively, Schirmer test, tear film breakup time, and conjunctival nucleus/cytoplasm ratio by impression cytology.
Aim Of Work: The aim of our work was to detect any structural or functional visual defects during and in between the attacks in patients with migraine.
Patient And Methods: Sixty patients with migraine as well as sixty age and sex matched controls were included. All cases were subjected to full ophthalmological examination.
Purpose: To study the structural, visual and refractive outcomes of intravitreal injection of aflibercept monotherapy in patients with high-risk prethreshold type 1 retinopathy of prematurity (ROP).
Design: Prospective nonrandomized interventional case series study.
Patients And Methods: 1 mg/0.
Intravitreal bevacizumab in persistent retinopathy secondary to malignant hypertension.
Saudi J Ophthalmol
January 2013
Purpose: To evaluate the efficacy and safety of intravitreal bevacizumab (IVB) injection in persistent retinopathy secondary to malignant hypertension (MHT).
Patients And Methods: Single IVB injection of 1.25 mg/0.
Transepithelial corneal collagen crosslinking for progressive keratoconus in a pediatric age group.
J Cataract Refract Surg
August 2013
Purpose: To evaluate the effectiveness and safety of transepithelial corneal collagen crosslinking (CXL) in children with keratoconus and the refractive changes induced by this treatment.
Setting: Ophthalmology Department, Ain-Shams University Hospitals, Cairo, Egypt.
Design: Prospective comparative case series.
Purpose: To evaluate the efficacy and safety of intrasilicone injection of bevacizumab for the treatment of iris neovascularization after vitrectomy for proliferative diabetic retinopathy.
Methods: Bevacizumab 1.25 mg/0.
The recurrence of pterygium after different modalities of surgical treatment.
Saudi J Ophthalmol
October 2011
Purpose: To assess and compare the recurrence rate of pterygium after limbal stem cell transplantation versus amniotic membrane transplantation (AMT) as ocular surface reconstructing measures in recurrent pterygium, also evaluation of the use of antimetabolite drugs as adjunctive therapy for AMT.
Patients And Methods: Prospective randomized comparative study included 60 eyes of 48 patients with recurrent pterygia. Informed consents were taken from all patients.
Purpose: To detect if intravitreal bevacizumab can reduce retinal exudation, improve visual and anatomical outcomes, and facilitate the treatment in various pediatric exudative retinal diseases.
Patients And Methods: Prospective, non-randomized, case series of nine eyes of pediatric exudative retinal diseases less than 18 years old which included six eyes with juvenile diabetic retinopathy, two eyes in children with Coats' disease, and one eye with myopic choroidal neovascular membrane (CNV). All eyes received only intravitreal bevacizumab injection 1.
Pascal laser versus conventional laser for treatment of diabetic retinopathy.
Saudi J Ophthalmol
April 2011
Purpose: To compare the safety and efficacy of Pascal laser photocoagulation in comparison with the conventional laser photocoagulation in the treatment of diabetic retinopathy.
Patients And Methods: A prospective randomized case series study was done on 120 procedures done in 120 patients divided into two main groups, group A, patients undergoing focal or modified grid macular laser and group B, patients undergoing panretinal photocoagulation (PRP). Each of the two groups were subdivided into two subgroups randomly in the first we used conventional laser photocoagulation (groups A1 and B1) and in the other we used Pascal laser photocoagulation (groups A2 and B2).
Purpose: The aim of this study was to evaluate the effectiveness of polymerase chain reaction (PCR) in accurate and rapid diagnosis of fungal endophthalmitis in comparison with conventional Gram stain and culture in pediatric fungal endophthalmitis.
Patients And Methods: This study included 26 cases with endophthalmitis. Age was less than 16 years old, and all were males with history of ocular trauma and with clinical picture suggestive of fungal endophthalmitis.