Özgür Yalçınbayır

ORCID: 0000-0002-7311-5277
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About
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Research Areas
  • Ocular Diseases and Behçet’s Syndrome
  • Retinal and Optic Conditions
  • Retinal Diseases and Treatments
  • Intraocular Surgery and Lenses
  • Retinal and Macular Surgery
  • Glaucoma and retinal disorders
  • Systemic Lupus Erythematosus Research
  • Retinopathy of Prematurity Studies
  • Retinal Imaging and Analysis
  • Traumatic Ocular and Foreign Body Injuries
  • Ocular Infections and Treatments
  • Ocular Oncology and Treatments
  • Inflammasome and immune disorders
  • Retinal Development and Disorders
  • Child Abuse and Related Trauma
  • Acute Lymphoblastic Leukemia research
  • S100 Proteins and Annexins
  • Corneal surgery and disorders
  • Long-Term Effects of COVID-19
  • Herpesvirus Infections and Treatments
  • Acute Myeloid Leukemia Research
  • Urticaria and Related Conditions
  • Drug-Induced Adverse Reactions
  • Traumatic Brain Injury and Neurovascular Disturbances
  • Optical Imaging and Spectroscopy Techniques

Bursa Uludağ Üni̇versi̇tesi̇
2014-2025

Creative Commons
2024

Istanbul Eye Hospital
2022

Bursa Technical University
2021

Ophthalmology Associates (United States)
2013-2017

Saint Louis University
2005

To investigate the correlation between spectral domain optical coherence tomography findings and best-corrected visual acuity (BCVA) in patients with central serous chorioretinopathy (CSC) to determine prognostic factors.We retrospectively studied 56 eyes of 49 who had diagnosis CSC. Patients were categorized into subgroups depending on symptoms clinical findings. Together overall foveal integrity inner segment/outer segment (IS/OS) external limiting membrane, several features CSC including...

10.1097/iae.0000000000000001 article EN Retina 2013-10-07

Abstract Purpose To evaluate the efficacy and safety of dexamethasone implantation in supraciliary (SC) space, a novel potential effective site, compared to intravitreal (IV) application. Methods This prospective study included 39 eyes 38 patients with macular oedema (ME) who underwent SC IV (SC-DEX IV-DEX). Patients were randomly assigned treatment groups followed for 3 months. Preoperative postoperative assessments maximum retinal thickness (MRT), change central between consecutive visits...

10.1038/s41433-024-03570-8 article EN cc-by Eye 2025-01-07

The objective of this study was to report the initial experiences seven surgeons using a titanium macular buckle (TMB) for treatment myopic maculopathy. records 11 cases that underwent TMB placement, with or without concomitant vitrectomy, were reviewed. Collected data included demographics, type maculopathy, pre-operative and postoperative ophthalmic findings. intraoperative utilization pars plana vitrectomy any associated complications also documented. indications surgery posterior pole...

10.3928/23258160-20250128-02 article EN Ophthalmic surgery, lasers & imaging retina 2025-02-01

This study aims to evaluate the non-pharmacological safety profile of intravitreal dexamethasone (DEX) implants in cases with different etiologies.

10.1097/iae.0000000000004270 article EN Retina 2024-09-17

To quantify microstructutal alterations in the macula and peripapillary retinal nerve fibre layer (RNFL) patients recovered from coronavirus disease 2019 (COVID-19) using spectral domain optic coherence tomography (SD-OCT).Retrospective, observational.This comparative, cross-sectional study included who COVID-19 (Group 1) age- sex-matched normal controls 2).A comprehensive ophthalmic examination, including best-corrected visual acuity biomicroscopic anterior posterior segment examination was...

10.1016/j.jcjo.2021.06.019 article EN other-oa Canadian Journal of Ophthalmology 2021-07-05

To compare the efficacy of intravitreal and sub-Tenon (ST) posterior triamcinolone injection in treatment bilateral diabetic diffuse macular edema (DDME).28 eyes 14 patients with DDME were included this prospective randomized study. One eye each individual received a (ST group), whereas fellow an (IV group). All treated supplementary focal laser after injections. Cases evaluated 1, 2, 3 6 months initial treatment.Both groups had visual improvement reduction following This temporary effect...

10.1159/000324714 article EN Ophthalmologica 2011-01-01

Purpose: To present the ocular findings of members a family that has diagnosis Muckle Wells syndrome, form cryopyrin associated periodic syndrome (CAPS).Materials and Methods: Nine patients with MWS were included in this study. Each study participant underwent systemic evaluation, comprehensive ophthalmic examination, auxillary testings.Results: In study, conjunctivitis was most prominent finding. Other relatively common band keratopathy, clinical signs past uveitis, corneal topography...

10.1080/09273948.2018.1552305 article EN Ocular Immunology and Inflammation 2018-12-17

Purpose To report a rare case of toxoplasma chorioretinitis in one eye and peripheral ocular toxocariasis granuloma the fellow same patient.

10.1080/09273948.2024.2344038 article EN Ocular Immunology and Inflammation 2024-04-22

Purpose: Management of uveitis displays a particular challenge in childhood. This study aims to compare the efficacy and safety infliximab (IFX) adalimumab (ADA) pediatric noninfectious that were refractory conventional immunosuppresives. Methods: retrospective single-center included 33 patients who treated with anti-tumor necrosis factor (TNF) agents (16 IFX 17 ADA). Patients had diverse etiologies, including juvenile idiopathic arthritis, uveitis, Behçet's disease. Demographic...

10.1089/jop.2020.0081 article EN Journal of Ocular Pharmacology and Therapeutics 2021-01-29

Stevens-Johnson syndrome (SJS), toxic epidermal necrolysis (TEN), and SJS/TEN overlap are rare severe hypersensitivity reactions that lead to epithelial sloughing. Studies investigating the chronic multisystem effects of these syndromes assessing patients in terms quality life (QOL), depression, anxiety pediatric population limited. In this study, we aimed investigate long-term diseases from a perspective.Sixteen diagnosed with SJS, TEN, were evaluated between September 2020 March 2021....

10.1159/000531366 article EN International Archives of Allergy and Immunology 2023-01-01

Background/Purpose: To present a case with retinal metastasis from squamous cell carcinoma of the lung. Methods: Case report. Results: A 54-year-old man presented blurry vision in his left eye. His medical history was significant for Stage IV lung carcinoma. He undergoing chemotherapy and had known metastasis. slightly elevated whitish lesion associated hemorrhages posterior pole. Optical coherence tomography showed full-thickness mass. No involvement choroid could be detected. Further...

10.1097/icb.0000000000000553 article EN Retinal Cases & Brief Reports 2017-02-18

Acquired palsy of the lateral rectus presents with horizontal diplopia and has a broad differential. Herpes zoster ophthalmicus- (HZO) related cranial nerve is transient self-limiting condition. Systemic antiviral treatment administered in order to prevent sight-threatening complications. In suspected cases, zosteriform rash should be questioned. One keep mind that acquired esotropia elderly may sometimes present following HZO.

10.1159/000334236 article EN cc-by-nc Case Reports in Ophthalmology 2011-01-01

Juxtapapillary retinal capillary hemangiomas (JRCHs) are benign vascular tumors located on or adjacent to the optic nerve head. A 19-year-old girl presented with epiretinal membrane (ERM) associated an elevated and round tumoral mass in juxtapapillary region of her left eye. She was subsequently diagnosed isolated JRCH. combined approach laser photocoagulation intravitreal bevacizumab injection used facilitate shrinkage tumor preoperatively pars plana vitrectomy remove ERM. small remnant...

10.4103/ijo.ijo_1799_18 article EN cc-by-nc-sa Indian Journal of Ophthalmology 2019-01-01

The present study aimed to evaluate choroidal changes and alternations within the structure of retina prior visible morphologic signs diabetic retinopathy (DR) in pediatric type 1 diabetes (T1D) cases. Two hundred six eyes 103 patients with T1D without DR 88 44 healthy controls were enrolled. They underwent a comprehensive ophthalmic examination optical coherence tomography evaluation. Choroidal thickness (ChT) measurements performed manually on macular peripapillary regions. There was no...

10.1297/cpe.30.41 article EN Clinical Pediatric Endocrinology 2021-01-01

A 48-year-old white male presented with sudden loss of vision. He had vesicular eruptions herpes zoster ophthalmicus (HZO) at that time. His best-corrected visual acuity was 20/200 in the left eye and 20/20 right eye. ocular examination revealed he optic neuritis (ON) secondary to HZO. An extensive diagnostic work up no underlying immunocomprise. The patient given intravenous aciclovir along oral prednisolone. At twelfth month follow-up, vision is 20/40 In conclusion, accurate diagnosis...

10.3109/01658100903267608 article EN Neuro-Ophthalmology 2009-12-01

We report a case who presented with bilateral serous retinal detachment (SRD) as the initial sign of Philadelphia chromosome-positive acute lymphoblastic leukemia (Ph+ ALL). A 49-year-old female blurred vision. colored fundus image patient revealed SRD around posterior pole’s optic disc. Bone marrow aspiration showed infiltration lymphoblasts. The was diagnosed Ph+ ALL. regressed in color after induction chemotherapy and intrathecal methotrexate. patient’s visual symptoms completely...

10.4103/ijo.ijo_645_23 article EN Indian Journal of Ophthalmology - Case Reports 2024-01-01
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