Çetin Akpolat

• MD FICO
• Medical Doctor at Akron Children's Hospital

Purpose To investigate early covid measurements of central macular thickness (CMT), retinal nerve fiber layer (RNFL), ganglion cell layer (GCL) thickness, and choroidal thickness (ChT) in children recovered from coronavirus disease 2019 (COVID-19). Methods This cross-sectional study was carried out 4 weeks after completed COVID-19 treatment. The di...

Purpose: To analyze structural and vascular changes of the retina and choroid in pediatric patients with coronavirus disease 2019 (COVID-19) using optical coherence tomography (OCT)/OCT angiography (OCTA). Methods: This comparative cross-sectional study consists of the COVID-19 group including pediatric COVID-19 patients and the control group in...

The aim of our study was to compare the parameters of optical coherence tomography angiography between eyes with clinically significant macular edema (CSME) and without (w/o) CSME in patients diagnosed with diabetic macular edema (DME). Sixty-eight eyes of 34 patients with DME were included in the cross-sectionally designed study. The eyes of the p...

Purpose To assess foveal and parafoveal retinal and choroidal microvascular changes using optical coherence tomography angiography (OCTA) and changes in retinal vessel caliber in pregnant women with gestational diabetes mellitus (GDM), non-pregnant female patients with type 2 diabetes mellitus (DM2), and healthy pregnant female subjects. Methods T...

Background Phacoemulsification surgery may have beneficial effects on the quality of life of patients with senile cataract. These effects can be evaluated with the help of questionnaires and tests. Purpose To evaluate the effect of the phacoemulsification surgery on the vision-related quality of life (VR-QOL) in patients with senile cataract using...

Purpose: To compare the efficacy and safety of cold saline solution (0.9% NaCl) with topical ophthalmic proparacaine for maintaining topical anesthesia of patients undergoing phacoemulsification surgery. Methods: The prospective, double-blinded, and randomized clinical study was randomly assigned to two groups that underwent phacoemulsification...

Clinical Relevance Vessel density (VD) measurements obtained using swept-source optical coherence tomography angiography (SS-OCTA) of the retinal layers and choriocapillaris have the capacity to demonstrated retinal changes in COVID-19 patients. Background To investigate VD changes in the retinal layers and choroid using SS-OCTA in patients recove...

PurposeThis study aims to assess the effects of topical tropicamide 1% versus cyclopentolate hydrochloride 1% on the main numerical anterior chamber angle parameters using anterior segment optical coherence tomography (AS-OCT) in myopic, emmetropic, and hyperopic pediatric populations.Methods One hundred eight healthy and non-amblyopic children wer...

To analyze prognostic factors associated with functional and anatomical results in closed globe injuries (CGIs) and open globe injuries (OGIs). One hundred and twenty patients who applied due to globe injuries were retrospectively examined in terms of prognostic factors affecting final visual acuity (FVA). The demographic features and clinical char...

Purpose The purpose of this study is to investigate the change of anterior chamber angle morphology after cataract surgery in patients with type 2 diabetes mellitus (DM2) using anterior segment optical coherence tomography (AS-OCT). Methods In this prospective and comparative study, 57 eyes of the patients with cataract were investigated. The pati...

Purpose To determine the demographic and clinical characteristics of newborn patients who underwent lacrimal probing surgical intervention with or without the marsupialization of intranasal cysts as the primary management for dacryocystocele treatment. Methods Data from the medical charts of 350 infants who underwent lacrimal probing surgery due t...

Clinical relevance: Previous studies have shown the efficacy of aflibercept and dexamethasone in central retinal vein occlusion. However, the efficacy of these two drugs in central retinal vein occlusion accompanied by serous macular detachment has not been investigated and compared. This results in a search for more precise data to evaluate the ef...

Purpose To analyze the central macular thickness (CMT), retinal nerve fiber layer thickness (RNFLT), ganglion cell layer thickness (GCLT), and choroidal thickness (ChT) measurements in patients with coronavirus disease 2019 (COVID-19). Methods The study was conducted cross-sectionally 4 weeks after the completed treatment of COVID-19. The diagnosis...

Purpose The study was conducted for the assessment of the retinal nerve fiber layer, ganglion cell layer, and subfoveal choroidal thickness changes in patients with inactive Gravesʼ ophthalmopathy (GO) using swept-source optical coherence tomography (SS-OCT) before the development of active GO findings. Materials and Methods The cross-sectional des...

Purpose To assess and compare demographic and clinical features of benign and malignant eyelid tumors from 2011 to 2018 in a tertiary medical center. Materials and methods The study was conducted retrospectively from medical records to compare demographic and clinical characteristics and recurrence of benign and malignant eyelid tumors after obtai...

Objective This study aimed to compare the retina and choroid thickness in age-matched pregnant individuals with gestational diabetes mellitus, nonpregnant diabetic females, and healthy nonpregnant females. Method This cross-sectional study included 2 study groups, 1 composed of pregnant women with gestational diabetes mellitus and 1 consisting of...

Purpose: We aimed to evaluate foveal and parafoveal density using optical coherence tomography angiography and the alteration on the retinal vessel diameter in patients with inactive Graves' ophthalmopathy compared to age-matched normal population. Materials and Methods. Patients with inactive Graves' ophthalmopathy (study group) and healthy indiv...

Purpose: This study was carried out to evaluate the effects of pterygium surgery on visual acuity, corneal astigmatism, corneal refraction, and corneal topography and the changes of these parameters in the postoperative period. Material and Methods: Forty eyes of 34 patients presented with only primary pterygium were included in the present study....

Purpose To compare and assess anterior segment measurements including corneal endothelial parameters in phakic and pseudophakic patients with degenerative myopia and emmetropic participants. Methods The individuals were divided into two main groups of Group 1 (control group) and Group 2 (study group). Emmetropic, mild myopic and/or hypermetropic p...

To evaluate and compare preoperative and postoperative anterior segment parameters in patients who underwent unilateral or bilateral medial rectus muscle surgery.Fifty-one eyes of 30 patients were enrolled in the retrospectively designed study. Anterior segment parameters were measured via Pentacam prior to surgery and after the surgery. Besides an...

To conduct a retrospective evaluation of the efficacy and safety of intravitreal aflibercept treatment in diabetic macular edema. Patients treated with intravitreal aflibercept for diabetic macular edema participated in this study. Three injections were administered to the previously untreated 76 eyes of 50 patients for 3 consecutive months with on...

A 13-month-old male patient presenting with epiphora and discharge in his left eye present since birth was assessed in our clinic. Epiphora and an orifice of fistulae next to the left nasal root were identified via physical examination. Punctual mucoid discharge was observed following a massage of the left lacrimal sac. Chronic lacrimal fistulae we...

A 60-year-old patient with a history of diabetes mellitus and coronary artery disease was admitted to the eye nose and throat clinic due to complaints of difficulty in breathing. The patient was decided for functional endoscopic sinus surgery with the diagnosis of right nasal polyposis and chronic sinusitis. The patient had right visual loss with t...

We aimed to examine the choroidal changes in ocular toxoplasmosis with spectral domain optical coherence tomography using the enhanced depth-imaging mode. The clinical and laboratory data and spectral domain optical coherence tomography images of patients diagnosed with ocular toxoplasmosis and admitted to Dicle University, Department of Ophthalmol...

The aim of the present study is to evaluate the results of traumatic cataract surgery with regard to the type of trauma, mainly in the assessment of visual acuity. Forty-four patients who had been diagnosed with traumatic cataracts were included in this retrospectively designed study. The patients were divided into blunt and penetrating groups acco...

Purpose: To assess changes in retinal vascular caliber in response to short-term use of nepafenac eye drops in patients with mild diabetic macular edema. Materials and methods: Thirty-four patients with previously untreated bilateral mild diabetic macular edema were included in this prospective study. For each participant, one eye was randomly assi...

The efficacy of carbomer based and lipid containing eye gel in the treatment of dry eye Objective: The aim of this study was to assess the effect of the carbomer-based lipid-containing (CBLC) gel on tear break-up time (TBUT), Schirmer’s score, and ocular surface disease index (OSDI) through a one-masked clinical trial in patients with dry eye syndr...

Purpose: The aim of this paper was to assess and compare the effects of intravitreal ranibizumab and bevacizumab on retinal vessel diameter in eyes with neovascular age-related macular degeneration (AMD). Methods: Patients with neovascular AMD who underwent intravitreal injection of either ranibizumab or bevacizumab were included. Noninjected fe...

Purpose: The goal of this study was to assess the effects of a single injection of intravitreal ranibizumab (RAN) or bevacizumab (BEV) on the retinal vessel size in eyes with diabetic macular edema. Materials and Methods: In total, 32 patients were enrolled in the RAN group, and 30 patients were included in BEV group. Each of these groups was also...

Abstract Purpose To detect and compare the vessel diameter effect of intravitreal vs subtenon injection of triamcinolone for diabetic macular edema (DME). Methods Sixty patients with DME who underwent triamcinolone injection either intravitreally (N=30) or under the tenon capsule (N=30) were included. Non-injected fellow eyes served as control. The...

Purpose: To detect and compare the vessel diameter effect of intravitreal versus subtenon injection of triamcinolone for diabetic macular edema (DME). Methods: Sixty patients with DME who underwent triamcinolone injection either intravitreally (N = 30) or under the tenon capsule (N = 30) were included. Non-injected fellow eyes served as control. Th...

Purpose: To determine the affect of single injection of intravitreal anti-vascular endothelial growth factor on the retinal vessel caliber in eyes with diabetic macular edema. Methods: Overall 32 patients were enrolled in ranibizumab group, 30 patients were included in bevacizumab group. Each of these groups also was divided into two others consist...

Purpose We aimed to examine the choroidal changes in ocular toxoplasmosis with spectral domain optical coherence tomography (SD-OCT) using the enhanced depth imaging (EDI) mode. Methods The clinical and laboratory data and SD-OCT images of patients with ocular toxoplasmosis admitted to Dicle University Ophthalmology Department were analyzed retros...

Purpose To detect and compare the vessel diameter effect of intravitreal versus subtenon injection of triamcinolone for diabetic macular edema (DME). Methods Sixty patients with DME who underwent triamcinolone injection either intravitreally (N = 30) or under the tenon capsule (N = 30) were included. Non-injected fellow eyes served as control. The...

Purpose To determine the affect of single injection of intravitreal anti-vascular endothelial growth factor on the retinal vessel caliber in eyes with diabetic macular edema. Methods Overall 32 patients were enrolled in ranibizumab group, 30 patients were included in bevacizumab group. Each of these groups also was divided into two others consisti...

s Ophthalmic Res 2016;56(suppl 1):1–52 4 sen was 23.19 ± 0.84 mm, versus 23.24 ± 1.05 in 6 eyes with geographic atrophy, 23.43 ± 1.25 in 39 eyes with wet AMD and 23.36 ± 1.36 in 11 eyes with disciform scarring. Of the wet AMD group only 4% (2 of 50 eyes) had an AL ≥26.00 mm. Conclusions: AL was not found to be associated with the severity of AMD. A...

Objective: To evaluate the surgical results and complications of phacoemulsification technique in high myopic patients with cataract. Material and Methods: Medical records of the pa- tients with high myopic cataract who underwent cataract surgery were reviewed retrospectively. The eyes with an axial length over 26 mm and underwent phacoemulsificati...

Objective: To evaluate the efficacy of combined treatment of intravitreal bevacizumab injection followed by grid laser photocoagulation in patients with diabetic macular edema Methods: Patients with diabetic macular edema received single dose intravitreal bevacizumab injection and followed by grid laser photocoagulation treatment four weeks later i...

Objective: Evaluation of long-term results of primary trabeculectomy operation Methods: The cases that are followed up with diagnosis of glaucoma in Okmeydanı Training and Research Hospital Eye Clinic between January 2000 and December 2001 were evaluated retrospectively. All of the cases, despite maximum therapy, have high intraocular pressure (IOP...

Introduction: This study investigated alterations in retinal ves-sel calipers following intravitreal ranibizumab injection for dia-betic macular edema.Methods or Study Design: Thirty eyes of 30 patients (16 male,14 female, mean age: 60.9 years) underwent intravitreal injectionof ranibizumab (0.5 mg/0.05 cc). Central retinal artery equivalent(CRAE),...

HELLP (Hemolysis, Elevated Liver Enzyms, Low Platelet Count) syndrome which is seen in patients with severe pre- eclampsia and eclampsia characterized with hemolysis, elevated liver enzymes and thrombocytopenia. In preec- lampsia, serous retinal detachment can be seen as a rare cause of loss of vision. In this study, a 25 years old patient with HEL...

Purpose: To determine the effect of 2.5% phenylephrine, which is commonly used for mydriasis, on the retinal vessel diameters. Materials and Methods: Sympathomimetic phenylephrine 2.5% was instilled to randomly selected eye, and parasympatholytic tropicamide known to have no effect on retinal vessel diameters to the fellow eye for the pupil dilatat...