- Corneal surgery and disorders
- Glaucoma and retinal disorders
- Corneal Surgery and Treatments
- Ocular Surface and Contact Lens
- Ophthalmology and Visual Impairment Studies
- Retinal Diseases and Treatments
- Retinal Imaging and Analysis
- Intraocular Surgery and Lenses
- Retinal and Macular Surgery
- Vascular Anomalies and Treatments
- Ocular Disorders and Treatments
- Optical measurement and interference techniques
- Infrared Thermography in Medicine
- Remote Sensing and LiDAR Applications
- Thermoregulation and physiological responses
- Textile materials and evaluations
- Ocular Infections and Treatments
- Retinal and Optic Conditions
- Obstructive Sleep Apnea Research
- Climate Change and Health Impacts
- Mesenchymal stem cell research
Istanbul Eye Hospital
2012-2017
Beyoglu Goz Egitim ve Arastirma Hastanesi
2013-2016
Fatih University Medical Faculty Hospital
2014
Çanakkale Onsekiz Mart Üniversitesi
2013
Istanbul Medeniyet University
2013
İstanbul Kanuni Sultan Süleyman Eğitim ve Araştırma Hastanesi
2012
To compare the efficiency and safety of accelerated corneal cross-linking in pediatric patients with progressive keratoconus.In this retrospective interventional case series, 44 eyes 38 keratoconus were enrolled. All consecutive underwent settings 30 mW/cm(2) for 4 minutes, corresponding to a total dose 7.2 J. The efficacy procedure assessed over 24-month follow-up period.Mean ± standard deviation age 10 girls 28 boys was 15.3 2.1 years (range: 9 18 years). Uncorrected distance visual acuity...
Purpose . To evaluate and compare corneal backscatter from anterior stroma between small incision lenticule extraction (SMILE) femtosecond laser-assisted LASIK (femto-LASIK). Methods A cohort of 60 eyes 30 patients was randomized to receive SMILE in one eye femto-LASIK the fellow eye. In vivo confocal microscopy performed at 1 week 1, 3, 6 months after surgery. The main outcome measurements were maximum backscattered intensity depth which it measured, light μ m below Bowman’s membrane flap...
The aim was to evaluate the results of three different secondary intraocular lens implantation (IOL) procedures in aphakic eyes without capsular supportIn this retrospective comparative case series, 90 patients who underwent IOL for correction aphakia were enrolled. Patients divided into groups based on procedure: anterior chamber iris-fixated (AC-IFIOL), retropupillary (RP-IFIOL), and scleral-fixated posterior (SF-PCIOL). efficacy safety each procedure assessed at follow-up.All had caused...
To report the long-term results of corneal collagen crosslinking (CXL) treatment for post-laser in situ keratomileusis (LASIK) ectasia.Turkiye Hospital Eye Clinic and Fatih University Medical Faculty, Department Ophthalmology, Istanbul, Turkey.Retrospective case series study.Consecutive patients with ectasia after LASIK were treated CXL. The main outcome measures uncorrected (UDVA) corrected (CDVA) distance visual acuities, spherical cylindrical refractions, simulated keratometry (K)...
To report the outcomes of accelerated corneal collagen cross-linking in patients with thin corneas (minimum thickness < 400 µm).Thirty-four eyes 34 a minimum less than µm were included. All underwent (irradiance power 30 mW/cm² at 3 minutes total surface dose 5.4 J/cm²). Uncorrected (UDVA) and corrected distance visual acuity (CDVA), manifest refraction (diopters [D]), topography evaluated baseline 1-, 6-, 12-month follow-up visit. Endothelial cell density (cells/mm²) was calculated...
Purpose: To evaluate the clinical outcomes of topical bevacizumab as adjunctive to surgical excision for treatment recurrent pterygium. Methods: The 44 patients who underwent pterygium with conjunctival autograft transplantation were enrolled in this prospective and interventional study. randomized 2 groups: study group, 1 month after surgery, 22 received only (5 mg/mL) 4 times daily months; control administered an artificial tear months. Patients prospectively followed 6 months surgery....
Purpose . To evaluate the depth of corneal stromal demarcation line using AS-OCT and confocal microscopy after two different protocols accelerated collagen cross-linking procedures (CXL). Methods Patients with keratoconus were divided into groups. Peschke CXL device (Peschke CCL-VARIO Meditrade GmbH) applied UVA light an intended irradiance 18.0 mW/cm 2 for 5 minutes applying riboflavin 20 (group 1) 30 2). One month postoperatively, was measured microscopy. Results This study enrolled 34...
Purpose: To investigate the effect of 2 commonly used mydriatics on choroidal thickness using enhanced depth imaging optical coherence tomography (EDI-OCT). Methods: In this prospective study, 90 healthy subjects were enrolled. The participants randomly divided into 3 groups based application drops. One eye each subject received a drop tropicamide 1% in group (n=30), phenylephrine 2.5% and artificial tear control (n=30). Drops given thrice at 5 min intervals. Subfoveal (SFCT) was measured...
Aims: To report and compare the cap thickness predictability of small incision lenticule extraction (SMILE) flap femtosecond laser-assisted in situ keratomileusis (femto-LASIK). Settings design: Beyoglu Eye Training Research Hospital, Refractive Surgery Department, Istanbul, Turkey. Retrospective pilot study. Materials methods: Medical records patients who had SMILE one eye femto-LASIK other were reviewed. Visante corneal Optical Coherence Tomography (OCT) images at 1 week month post-surgery...
Purpose: To compare the effects of straight, oblique, and double-plane tunnel scleral intravitreal injection techniques, on short-term intraocular pressure (IOP) changes, occurrence vitreous reflux (VR), and/or other complications. Methods: A total 105 patients were included in this prospective study. Patients assigned randomly to one straight group (SI; n=35), oblique (OI; or (DPTI; n=35). The VR preinjection postinjection IOP at 2 6 h compared between groups, complications assessed....
To evaluate two-year results of small-incision lenticule extraction (SMILE) for correction high myopia.Forty-five eyes 35 patients with mean spherical equivalent (SE) -7.10±0.95 D who underwent routine SMILE by a single surgeon and were followed at least 2 years analyzed retrospective chart review. was performed Visumax femtosecond laser (Carl Zeiss Meditec, Jena, Germany). Follow-up intervals 1, 6, 12, 24 months after surgery. Uncorrected best corrected distance visual acuity (CDVA),...
To compare the results of different protocols for accelerated corneal collagen cross-linking (CXL) in patients with progressive keratoconus.This prospective comparative study involved 40 treated intended UV-A radiance 5.4 J/cm2 74 eyes (Group 1) and 42 7.2 72 2). Visual acuity, subjective manifest refraction topography were analyzed before 12 months after surgery both groups. Postoperative complications also noted. The two statistically compared.There no significant differences between...
Purpose . To report the visual, refractive, and corneal topography wavefront aberration results of accelerated cross-linking (CXL) during a 24-month follow-up. Methods Forty-seven eyes underwent riboflavin-ultraviolet A-induced CXL treatment (30 mW/cm 2 with total dose 7.2 joules/cm ). Uncorrected distance visual acuity (UDVA), corrected (CDVA), spherical cylindrical values, keratometry (<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"...
PURPOSE: To compare the refractive outcomes of small incision lenticule extraction (SMILE) with photorefractive keratectomy (PRK) using an aberration-free ablation profile. METHODS: One eye patients diagnosed as having myopia for bilateral correction was randomly allocated to either PRK or SMILE. The primary outcome measures included efficacy, predictability, safety, stability, corneal aberrations, and adverse events. Patients were followed up 1 year postoperatively; postoperative...
Purpose: The aim of this study was to report on the evaluation corneal nerve fiber density and sensation after accelerated collagen cross-linking keratoconus patients.Methods: performed 30 eyes (30 participants: 16 M, 14 F; 17–32 years old) treated with for disease stabilization. Mean outcome measures were by Cochet–Bonnet esthesiometry subbasal assessment in vivo confocal microscopy. All measurements using scanning slit microscopy (ConfoScan 4, Nidek Technologies, Padova, Italy).Results:...
Purpose. To evaluate the relationship between internal carotid artery (ICA) stenosis and subfoveal choroidal thickness (SFCT) in elderly population. Methods. A total of 42 eyes 21 patients with more than 70% ICA (Group 1) on one side less 2) other were recruited for this study. was diagnosed using both B-mode Doppler ultrasound. The two groups compared terms percentage stenosis, SFCT measurements, intraocular pressure, ocular perfusion refractive error, peak systolic velocity. Eyes examined...
To compare the postoperative biomechanical properties of cornea after photorefractive keratectomy (PRK) and small incision lenticule extraction (SMILE) in eyes with low moderate myopia.We retrospectively examined 42 23 patients undergoing PRK 22 SMILE for correction myopia. Corneal hysteresis (CH) corneal resistance factor (CRF) were measured an Ocular Response Analyzer before 6 months surgery. We also investigated relationship between these changes amount myopic correction.In group, CH was...
The aim of this study was to compare the frequency occurrence obesity and high risk developing obstructive sleep apnea (OSA) in a keratoconus population with that control group.This prospective, case-controlled multicenter performed on patients age- gender-matched subjects. One hundred forty-six were included each group, Berlin Questionnaire used for classifying as having or low OSA. patients' demographic clinical characteristics compared Mann-Whitney U test continuous variables χ...
To report our initial experience with femtosecond lenticule extraction (FLEX) compared laser-assisted in situ keratomileusis (LASIK).This was a prospective pilot study carried out at the Refractive Surgery Department of Beyoglu Eye Training and Research Hospital, Istanbul, Turkey.Surgery performed on both eyes 14 consecutive patients myopia or myopic astigmatism. Patients underwent FLEX one eye LASIK (FemtoLASIK) other eye. The primary outcome based uncorrected distance visual acuity,...
To evaluate the effect of primary and recurrent pterygium surgery on corneal wavefront aberrations.This prospective interventional study included 47 eyes patients with (primary group) 41 (recurrent group). All underwent excision conjunctival autograft transplantation. Corneal aberrations were measured using Sirius topography aberrometry system (Costruzione Strumenti Oftalmici, Florence, Italy) before at 3 12 months after surgery. The main outcome measures root mean square values total error...
To evaluate the increase in corrected distance visual acuity (CDVA) after laser situ keratomileusis (LASIK) adults with anisometropic amblyopia.The medical records of consecutive patients diagnosed amblyopia at time refractive evaluation who underwent LASIK were retrospectively reviewed. Patients least a two-line difference (VA) between eyes spherical error 3.00 diopters (D) or an astigmatic 2.00D included. any other possible reason for than anisometropia those had undergone previous...
The aim of this study is to report the results 18 months follow-up after treatment with accelerated (18 mW/cm(2)) corneal cross-linking in patients progressive keratoconus.Forty-two eyes 42 keratoconus were included retrospective study. All underwent at an irradiance mW/cm(2) for 5 min (total surface dose 5.4 J/cm(2)). Visual acuity, topographic findings (Kflat, Ksteep, Kaverage, and apical keratometry), central thickness evaluated during 18-month period.The mean ± standard deviation age 16...