Banu Öncel

ORCID: 0000-0002-6791-2915
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About
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Research Areas
  • Glaucoma and retinal disorders
  • Retinal Diseases and Treatments
  • Corneal surgery and disorders
  • Retinal Imaging and Analysis
  • Retinal and Macular Surgery
  • Ocular Surface and Contact Lens
  • Retinal and Optic Conditions
  • Ophthalmology and Visual Impairment Studies
  • Optical Coherence Tomography Applications
  • Intraocular Surgery and Lenses
  • Ocular Diseases and Behçet’s Syndrome
  • melanin and skin pigmentation
  • Facial Trauma and Fracture Management
  • Vascular Malformations Diagnosis and Treatment
  • Ophthalmology and Eye Disorders
  • Ocular Disorders and Treatments
  • Corneal Surgery and Treatments
  • Diversity and Career in Medicine
  • Medical and Biological Sciences
  • Parvovirus B19 Infection Studies
  • History of Medical Practice
  • Cancer and Skin Lesions
  • Long-Term Effects of COVID-19
  • Acute Ischemic Stroke Management
  • Surgical Simulation and Training

Fatih Sultan Mehmet Eğitim Ve Araştırma Hastanesi
2017-2024

Sağlık Bilimleri Üniversitesi
2019-2024

University of Health Science
2019-2023

Loyola University Chicago
2023

SUNY Downstate Health Sciences University
2023

State University of New York
2023

Rutgers, The State University of New Jersey
2023

Acıbadem University
2023

Creighton University
2023

Georgetown University
2023

To evaluate corneal viscoelastic and intraocular pressure (IOP) changes measured by an ocular response analyzer (ORA) after phacoemulsification lens (IOL) implantation.Yeditepe University Department of Ophthalmology, Istanbul, Turkey.Fifty-one eyes scheduled for cataract surgery were included in the study. Corneal hysteresis (CH), resistance factor (CRF), corneal-compensated (IOPcc), Goldmann-correlated IOP (IOPg) ORA preoperatively 1 week 3 months postoperatively. Central thickness (CCT)...

10.1016/j.jcrs.2008.08.017 article EN Journal of Cataract & Refractive Surgery 2008-11-22

<i>Aims:</i> To assess and compare the anterior chamber depth (ACD) by different segment imaging techniques. <i>Methods:</i> Eighty healthy eyes of 40 patients were recruited, 3 consecutive measurements ACD determined prospectively utilizing Visante optical coherence tomography (OCT), slitlamp (SL) OCT, IOL Master, Pentacam Orbscan IIz. The statistical significance interdevice differences between was evaluated one-way ANOVA Bland-Altman analysis. repeatability...

10.1159/000313815 article EN Ophthalmologica 2010-01-01

The aim was to evaluate tear osmolarity of patients with clinically unilateral pseudoexfoliation (PEX) syndrome and compare the values otherwise normal subjects.Sixty-two eyes 31 PEX subjects were studied. TearLab system (OcuSense, Inc, San Diego, CA, USA) used measure osmolarity. Eyes grouped as having (group A), deposits material B) C). Differences in compared among groups A, B C. Independent t-tests paired for statistical analysis.The mean 298.7 ± 7.8 mOsm/l (range 285 306) control group...

10.1111/j.1444-0938.2011.00683.x article EN Clinical and Experimental Optometry 2012-01-11

To assess and investigate the relationship between diurnal variations in intraocular pressure (IOP) biomechanical properties of cornea.Sixty-two healthy volunteers were recruited. Corneal compensated IOP (IOPcc), Goldmann-correlated (IOPg), corneal resistance factor (CRF), hysteresis (CH) parameters recorded by Ocular Response Analyzer (ORA). Central thickness (CCT) was measured using an ultrasonic pachymeter. Three consecutive measurements IOPcc, IOPg, CRF, CH, CCT at 8:00 am, 11:00 2:00...

10.1177/112067210901900518 article EN European Journal of Ophthalmology 2009-09-01

Purpose To assess the agreement among ocular response analyzer (ORA), dynamic contour tonometry (DCT), Goldmann applanation (GAT), and noncontact (NCT), to determine effects of central corneal thickness (CCT) hysteresis (CH) on intraocular pressure (IOP) measurements with these devices. Methods Sixty healthy volunteers were recruited. The average ORA (corneal compensated IOP [IOP-ORAcc] Goldmann-correlated [IOP-ORAg]), DCT, GAT, NCT levels compared devices examined respect CCT CH. One-way...

10.1177/112067210901900607 article EN European Journal of Ophthalmology 2009-11-01

This study aimed to report the demographic and clinical characteristics of diabetic macular edema (DME) patients treated with intravitreal injection (IVI) anti-vascular endothelial growth factors (anti-VEGF) provide an overview outcomes during routine practice in Türkiye.This retrospective, real-world included 1,372 eyes (854 patients) a pro re nata protocol by 21 ophthalmologists from 8 tertiary clinics on Asian side Marmara region Türkiye (MARMASIA Study Group). Five cohort groups were...

10.4274/tjo.galenos.2023.56249 article EN cc-by-nc-nd Turkish Journal of Ophthalmology 2023-08-09

ABSTRACT PURPOSE: To compare visual and refractive results, contrast sensitivity, tear stability after laser in situ keratomileusis (LASIK) one eye epithelial (LASEK) the fellow for low myopia. METHODS: Patients diagnosed with myopia, a maximum difference of 1 D between their two eyes, were randomly assigned to receive LASEK on LASIK other eye. A total 64 eyes 32 patients mean age 26.83±5.33 years included study. Preoperative myopia ranged from -1.00 -6.00 D. Follow-up was 6 12 months....

10.3928/1081-597x-20040501-05 article EN Journal of Refractive Surgery 2004-05-01

Purpose. To assess and compare the anterior chamber angle (ACA) by different segment imaging techniques. Methods. Forty healthy eyes of 40 normal subjects were recruited 3 consecutive measurements ACA determined prospectively utilizing Visante optical coherence tomography (OCT), slit-lamp OCT (SL-OCT), Pentacam. Statistical significance interdevice differences between was evaluated Wilcoxon signed rank test Bland-Altman analysis. The repeatability analyzed repeated measured analysis...

10.1177/112067211002000327 article EN European Journal of Ophthalmology 2010-05-01

Purpose To show the diurnal variation of tear osmolarity in normal subjects. Methods Thirty volunteers were recruited. Tear was measured with TearLab system at 3-hour regular intervals between 8:00 AM and 5:00 PM. One-way analysis variance test used for statistical analysis. Results healthy (all men) a mean age 29.6±4.3 years (range 18-45) The difference measurements 11:00 AM, 2:00 PM, PM not statistically significant (one-way test, p>0.05). Conclusions In subjects, seems to have stable...

10.5301/ejo.5000084 article EN European Journal of Ophthalmology 2011-06-12

Comparison of topography and corneal higher order aberrations (HOA) data fellow normal eyes unilateral keratoconus patients with control group.The records 196 were reviewed. Twenty identified as keratoconus. The best corrected visual acuity (BCVA), aberration the patients' compared their contralateral group eyes. For statistical analysis, flat steep keratometry values, average power, cylindrical surface regularity index (SRI), asymmetry (SAI), inferior-superior ratio (I-S), prediction index,...

10.4274/tjo.45220 article EN cc-by-nc-nd Turkish Journal of Ophthalmology 2017-10-26

To compare the effects of yellow (577 nm) subthreshold micropulse laser (SML) and intravitreal (IV) anti-vascular endothelial growth factor (VEGF) treatment in patients with diabetic macular edema (DME) relatively better visual acuity [best corrected (BCVA) ≤0.15 logMAR].The medical records 76 eyes 47 underwent IV (0.5 mg) anti-VEGF injection or SML for DME BCVA were reviewed. The group received three consecutive monthly injections, then retreated as needed. was treated at baseline 3mo, 6...

10.18240/ijo.2020.10.15 article EN cc-by-nc-nd International Journal of Ophthalmology 2020-09-18

To assess and compare the horizontal dimensions of anterior chamber by different segment imaging techniques.Eighty eyes 40 patients without any ocular disease or previous surgery were recruited three consecutive measurements internal diameter white-to-white distance (WTW) parameters determined.Mean was 11.80 +/- 0.39, 11.56 0.47, 11.61 0.58 mm with Visante-OCT, SL-OCT, Pentacam, respectively. Mean WTW 11.87 0.35 11.65 0.32 IOLMaster OrbscanIIz, There no significant difference between...

10.3928/15428877-20091230-21 article EN Ophthalmic surgery, lasers & imaging retina 2010-01-01

Purpose. To quantitatively assess the parameters of anterior chamber and angle dimensions by slit-lamp optical coherence tomography (SL-OCT) in eyes with pigmentary glaucoma (PG). Methods. A total 18 11 patients PG healthy volunteers were included study. Anterior depth (ACD), volume (ACV), spur distance (internal horizontal diameter), central corneal thickness (CCT), opening at 500 urn from scleral (AOD 500), trabecular iris space area μm (TISA 500) detected SL-OCT. The differences between...

10.1177/112067211002000410 article EN European Journal of Ophthalmology 2010-07-01

BACKGROUND AND OBJECTIVE: This study examined the repeatability of and agreements between central corneal thickness measurements obtained by four different non-contact pachymetry devices. PATIENTS METHODS: Seventy-eight eyes 39 subjects were included. Central each eye was measured Visante optical coherence tomography (OCT) (Carl Zeiss Meditec Inc., Dublin, CA), Pentacam (Oculus Optikgeräte GmbH, Wetzlar, Germany), Orbscan IIz topography (Bausch & Lomb Surgical San Dimas, slit-lamp OCT...

10.3928/15428877-20110812-02 article EN Ophthalmic surgery, lasers & imaging retina 2011-09-01

Background and objective While men outnumber women in the specialty of ophthalmology general, subspecialty vitreoretinal surgery particular has highest percentage across all ophthalmic subspecialties. This study aimed to analyze gender disparities regarding publication productivity academic rank specialists United States (US). Methods cross-sectional evaluated 116 residency programs US participating 2022 San Francisco Match. The faculty from each program was included. information on gender,...

10.7759/cureus.39936 article EN Cureus 2023-06-04

PurposeTo quantitatively assess and compare the anterior chamber volume (ACV) by different segment imaging techniques. MethodsForty healthy eyes of 40 patients were recruited three consecutive measurements ACV determined prospectively utilizing SL-OCT Pentacam. Statistical significance interdevice differences between was evaluated unpaired t test Bland-Altman analysis. The repeatability analyzed repeated measured analysis variance. ResultsEighty (18 female, 22 male) with a mean spherical...

10.1177/112067210901900314 article EN European Journal of Ophthalmology 2009-05-01

Loss of vision is an extremely rare and unexpected complication following a routine uncomplicated nasal surgery. In majority patients, visual loss has attributed to retinal emboli which occur with retrograde flow the intra-arterially injected agents into cavity or direct trauma optic nerve. this report, authors present patient unilateral decreased due branch artery occlusion soon after surgery.Clinical report.A 32-year-old female admitted author' clinic complaints acuity in left eye. She...

10.1097/scs.0000000000005180 article EN Journal of Craniofacial Surgery 2019-02-12
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