Ayşe Yağmur Kanra

ORCID: 0000-0001-6804-5510
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About
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Research Areas
  • Retinal Diseases and Treatments
  • Glaucoma and retinal disorders
  • Retinal and Optic Conditions
  • Retinal Imaging and Analysis
  • Ocular Diseases and Behçet’s Syndrome
  • Corneal surgery and disorders
  • Ophthalmology and Visual Impairment Studies
  • Obstructive Sleep Apnea Research
  • Retinal and Macular Surgery
  • Cerebral Venous Sinus Thrombosis
  • Ophthalmology and Eye Disorders
  • Botulinum Toxin and Related Neurological Disorders
  • Pituitary Gland Disorders and Treatments
  • Meningioma and schwannoma management
  • Long-Term Effects of COVID-19
  • Traumatic Brain Injury and Neurovascular Disturbances
  • Drug-Induced Ocular Toxicity
  • Intraoperative Neuromonitoring and Anesthetic Effects
  • Facial Rejuvenation and Surgery Techniques
  • Anesthesia and Sedative Agents

Şişli Etfal Eğitim ve Araştırma Hastanesi
2022

Üsküdar University
2022

Topcon (Netherlands)
2022

Sağlık Bilimleri Üniversitesi
2017-2021

Dünyagöz Hospital
2019-2020

Bahçeşehir University
2019

Ümraniye Eğitim ve Araştırma Hastanesi
2017

Istanbul Medeniyet University
2016

Various infectious diseases lead to different forms of optic neuropathy, resulting in visual impairments varying severity. In cases suspected diagnosis relies on epidemiological data, medical history, systemic symptoms, and the pattern ocular findings. Diagnosis is confirmed by clinical presentation, serological tests, polymerase chain reaction. The treatment neuropathies typically involves use antimicrobial drugs targeting specific pathogen and/or corticosteroids suppress associated...

10.37783/crj-0437 article EN Güncel Retina Dergisi (Current Retina Journal) 2024-09-13

To evaluate the efficacy and safety of dexamethasone (DEX) implants as mono or combination therapy for macular edema in retinal vein occlusion (RVO) with real-life conditions, to detect factors that influence final visual acuity.Twenty-five eyes secondary RVO underwent assessments central thickness (CMT), best-corrected acuity (BCVA), adverse events, also morphologic changes optical coherence tomography at an interval 4-8 weeks after least one DEX implant.Seventeen branch 8 were eligible...

10.4274/tjo.75317 article EN cc-by-nc-nd Turkish Journal of Ophthalmology 2017-12-21

Objective Obstructive sleep apnea syndrome has been identified as a possible risk factor for optic nerve pathology such glaucoma, nonarteritic ischemic neuropathy, and disk edema. Accordingly, we aimed to evaluate structural changes of the apparently normal in obstructive patients with effects its severity. Materials methods In this prospective case–control study, 47 eyes diagnosed polysomnography 40 healthy subjects were included. Spectral-domain optical coherence tomography was used...

10.1177/1120672120926859 article EN European Journal of Ophthalmology 2020-06-02

BACKGROUND AND OBJECTIVE: To evaluate effect of continuous positive airway pressure (CPAP) therapy on choroidal thickness in patients with obstructive sleep apnea syndrome (OSAS). PATIENTS METHODS: Thirty distinct eyes 30 OSAS were evaluated right before and 12 months after CPAP treatment this prospective observational study. Choroidal was measured at the fovea periodic intervals 500 µm from foveal center both temporal nasal directions using spectral-domain optical coherence tomography...

10.3928/23258160-20181101-05 article EN Ophthalmic surgery, lasers & imaging retina 2018-11-01

To evaluate the clinical results, efficacy and safety of Ex-PRESS P200 glaucoma shunt implant in different types medically uncontrolled glaucoma.The study included 31 eyes patients that were unresponsive to medical antiglaucomatous therapy whom implantation was performed. The demographic characteristics patients, type glaucoma, complete ocular examination number drugs before after surgery, early late complications additional surgical nonsurgical interventions, success rates investigated from...

10.18240/ijo.2019.08.09 article EN cc-by-nc-nd International Journal of Ophthalmology 2019-08-07

Objective: To describe the clinical efficiency of transluminal Nd:YAG laser embolysis (TYE) and hyperbaric oxygen (HBO) as an off-label combined treatment for branch retinal artery occlusion (BRAO) with visible emboli. Methods: A 77-year-old woman had a history seeing "shadow" in lower visual field left eye three days. Platelet-fibrin embolus at arterial bifurcation was disintegrated by TYE technique patient referred to HBO 20 sessions. Results: One week after treatment, best-corrected...

10.3205/oc000163 article EN DOAJ (DOAJ: Directory of Open Access Journals) 2020-01-01

The aim of the study is to compare measurements central corneal thickness (CCT) performed by two examiners with four different methods at times inter- and intra-individually.Thirty healthy people were included in study. In these measurements, an optical low-coherence reflectometry (OLCR), optic coherence tomography (OCT), a specular microscopy (SM), topography (CT) used. Two consecutive manner. After 1-7 days first second again consecutively. mean three was taken each session for all...

10.1007/s10792-016-0369-2 article EN cc-by International Ophthalmology 2016-10-08

AIM: To characterize the phenylephrine test in aponeurotic and congenital eyelid ptosis, to determine appropriate timing of test, assess responses upper lower eyelids. METHODS: This was a retrospective analysis 140 eyes 87 patients (mean age 52.29±16.45y; 22 males, 65 females) with ptosis. Totally 88.6% had 11.4% For evaluation eyelids topical 2.5% phenylephrine, scleral show height, marginal reflex distance (MRD) between inferior margin pupillary light (MRD1), central portion (MRD2) were...

10.18240/ijo.2022.09.06 article EN cc-by-nc-nd International Journal of Ophthalmology 2022-09-01

The aim of this study was to compare the effectiveness intravitreal ranibizumab (IVR) injections for treatment diabetic macular edema (DME) in eyes with and without previous vitrectomy. medical records 28 (11 vitrectomized 17 nonvitrectomized) patients (mean age, 59.0 ± 9.6 years; male female ratio 1 : 1) who were diagnosed DME had received IVR reviewed retrospectively. indications vitrectomy 11 hemorrhage ( n = 8) epiretinal membrane 3). best-corrected visual acuity (BCVA), central...

10.1155/2020/2561251 article EN cc-by Journal of Ophthalmology 2020-08-06

Objective To assess the biometric features of keratoconic eyes using Lenstar LS900 and Pentacam systems relative to healthy myopic eyes. Materials Methods Seventy-three subjects 83 control were enrolled. evaluate reproducibility devices’ measurements, keratometric readings [in flattest meridian (Kf), in steepest (Ks), mean (Km)], central corneal thickness (CCT), anterior chamber depth (ACD) obtained both systems. Axial length lens (LT) measured by Lenstar. The compatibility between two...

10.1177/11206721211064481 article EN European Journal of Ophthalmology 2021-12-01

Abstract Background: To compare the effectiveness of intravitreal ranibizumab (IVR) injections for treatment diabetic macular edema (DME) in eyes with and without previous vitrectomy. Methods: The medical records 30 (13 vitrectomized, 17 nonvitrectomized) 28 patients (mean age, 59.09.6 years; male to female ratio 1:1) who were diagnosed DME had received IVR reviewed retrospectively. best-corrected visual acuity (BCVA), central thickness (CMT), total volume (TMV) measured at baseline months...

10.21203/rs.2.9466/v1 preprint EN cc-by Research Square (Research Square) 2019-05-06

To evaluate the effect of obstructive sleep apnoea syndrome (OSAS) and continuous positive airway pressure (CPAP) therapy on choroidal structural changes vascularity index (CVI) in patients with OSAS.Choroidal OSAS immediately after diagnosis 12 months CPAP treatment were evaluated compared healthy controls. The images enhanced depth imaging optical coherence tomography (EDI-OCT) binarized into luminal area (LA) stromal (SA) using ImageJ software. CVI was calculated as ratio LA to total...

10.1038/s41433-021-01790-w article EN public-domain Eye 2021-10-07

Abstract Background: To compare the effectiveness of intravitreal ranibizumab (IVR) injections for treatment diabetic macular edema (DME) in eyes with and without previous vitrectomy. Methods: The medical records 30 (13 vitrectomized, 17 nonvitrectomized) 28 patients (mean age, 59.0±9.6 years; male to female ratio 1:1) who were diagnosed DME had received IVR reviewed retrospectively. indications vitrectomy 13 vitrectomized hemorrhage (n=8), vitreomacular traction (n=1), epiretinal membrane...

10.21203/rs.2.9466/v2 preprint EN cc-by Research Square (Research Square) 2019-12-13

Amaç: Retina ven tıkanıklığına (RVT) bağlı tekrarlayan makula ödemi olan olgularda uygulanan bir intravitreal deksametazon implant (IDI) sonrası 6 aylık sonuçların değerlendirilmesi. Yöntem ve Gereçler: RVT'ye ödemine sahip naif olmayan 20 gözde IDI santral kalınlığı (SMK), en iyi düzeltilmiş görme keskinliği (EİDGK) diğer yan etkiler 1. hafta, 1.ay nüksten dolayı (3-6 ay arası) enjeksiyon tekrarı yapılana kadar her olmak üzere retrospektif olarak incelendi. Nüks kararı 1 sıra EİDGK kaybına...

10.15659/bogazicitip.17.02.659 article TR BOĞAZİÇİ TIP DERGİSİ 2017-01-01

ÖZ Amaç: Pentacam Scheimpflug sistemi, Topcon KR-8100P otokeratorefraktometre ve Lenstar LS900 biyometri ile ölçülen keratometri değerleri için cihazların uyumuna horizontal kornea çapının etkisini araştırmak. Gereç Yöntemler: Çalışmaya 78 olgunun 140 gözü dahil edildi. Çalışmadaki gözler, çapı <12 mm’den küçük olanlar (n=62, %44,3) grup 1 >12 mm (n=78, %55,7) 2 olmak üzere iki gruba ayrıldı. Tüm gözlerde Pentacam, cihazları kullanılarak K1 (düz keratometri), K2 (dik keratometri) Km...

10.53394/akd.1057375 article TR Akdeniz Medical Journal 2022-03-18
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