Browsing by Author "Karahan, Mine"
Now showing items 1-20 of 42
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Abnormal retrobulbar blood flow variables in central serous chorioretinopathy
Kılıç, Deniz; Karahan, Mine; Vural, Esra; Dursun, Mehmet E.; Demirtaş, Atılım A. (Wiley, 2020)Purpose To evaluate if the retrobulbar blood flow variables were deteriorated in central serous chorioretinopathy (CSC) patients. Methods We included 25 CSC patients and 25 healthy subjects. We used color Doppler ultrasonography ... -
Autonomic dysfunction detection by an automatic pupillometer as a non?invasive test in patients recovered from COVID?19
Karahan, Mine; Demirtaş, Atılım Armağan; Hazar, Leyla; Erdem, Seyfettin; Ava, Sedat; Dursun, Mehmet Emin; Keklikçi, Uğur (Springer, 2021)Purpose To recognize dysfunctions in the autonomic nervous system (ANS) with changes in dynamic and static pupillary responses in patients who recovered from coronavirus disease-2019 (COVID-19) Methods One month after ... -
Bilateral central retinal artery occlusion secondary to SARS-CoV-2 infection in the early and late periods: A case report
Karahan, Mine; Erdem, Seyfettin; Hazar, Leyla; Dursun, Mehmet Emin; Ava, Sedat; Emek, Hüseyin; Keklikçi, Uğur (Georg Thieme Verlag KG, 2021)The causative agent of coronavirus disease (COVID-19) is a new virus termed severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) from the coronavirus family. It was first detected in China in December 2019 and ... -
Can dynamic and static pupillary responses be used as an indicator of autonomic dysfunction in patients with obstructive sleep apnea syndrome?
Erdem, Seyfettin; Yılmaz, Süreyya; Karahan, Mine; Dursun, Mehmet Emin; Ava, Sedat; Alakuş, Mehmet Fuat; Keklikçi, Uğur (Springer, 2021)Purpose We aimed to reveal whether static and dynamic pupillary responses can be used for the detection of autonomic nervous system (ANS) dysfunction in patients with obstructive sleep apnea syndrome (OSAS). Methods We ... -
Crystalline gene mutations in Turkish children with congenital cataracts
Karahan, Mine; Demirtaş, Atılım Armağan; Erdem, Seyfettin; Ava, Sedat; Tekeş, Selahattin; Keklikçi, Uğur (Springer, 2021)Purpose To detect crystallin gene mutations in Turkish children with congenital cataracts. Methods The present study included 56 children (38 males and 18 females) who were diagnosed with congenital cataract in our ... -
Diurnal changes in accommodation amplitude and anterior segment parameters during ramadan fasting
Demirtaş, Atılım Armağan; Karahan, Mine; Erdem, Seyfettin (Harran Üniversitesi Tıp Fakültesi, 2021)Background: The purpose of this research was to investigate the diurnal effect of Ramadan fasting on the amplitude of accommodation and anterior segment parameters in visually healthy participants. Materials and Methods: ... -
The effect of age on penetrating keratoplasty indications
Karahan, Mine (Wiley, 2019)[Abstract Not Available] -
Effect of fasting on diurnal fluctuation of parafoveal and peripapillary vessel density and related oculodynamic and haemodynamic parameters
Demirtaş, Atılım Armağan; Karahan, Mine; Erdem, Seyfettin; Han, Çağla Çilem; Keklikçi, Uğur (Elsevier, 2021)Purpose: To investigate the effects of Ramadan fasting on diurnal superficial-deep parafoveal vessel density (pfVD) and nerve head (NH)-radial peripapillary capillary (RPC) peripapillary vessel density (ppVD) using optical ... -
The effectiveness of automatic pupillometry as a screening method to detect diabetic autonomic neuropathy
Erdem, Seyfettin; Karahan, Mine; Ava, Sedat; Pekkolay, Zafer; Demirtas, Atilim Armagan; Keklikci, Ugur (Springer, 2020)Purpose This study aimed to compare static and dynamic pupil responses of diabetic patients with and without nonproliferative diabetic retinopathy (DR) and normal healthy individuals under different lighting conditions via ... -
Evaluation of anterior segment parameters with Pentacam in children with poorly-controlled type 1 Diabetes Mellitus without diabetic retinopathy
Karahan, Mine; Demirtaş, Atılım Armağan; Erdem, Seyfettin; Ava, Sedat; Dursun, Mehmet Emin; Beştaş, Aslı; Haspolat, Yusuf Kenan; Keklikçi, Uğur (Elsevier, 2021)urpose: To determine the effect of abnormal glucose metabolism on the cornea, lens, anterior chamber volume (ACV), and anterior chamber depth (ACD) in children with poorly-controlled type 1 diabetes mellitus (DM) without ... -
Evaluation of anxiety and fear of COVID-19 in patients admitted to an ophthalmology outpatient clinic
Budak, Elif Ateş; Karahan, Mine; Han, Çağla Çilem (IJCPF, 2021)Dear Editor,Coronavirus disease 2019 (COVID-19) outbreak has brought gross changes to the community and many studies revealed that stress and anxiety have increased during the pandemic.1,2The new coronavirus has ... -
Evaluation of blood inflammatory parameters of infants with premature retinopathy treated with intravitreal anti vascular endothelial growth factor
Ava, Sedat; Hazar, Leyla; Karahan, Mine; Erdem, Seyfettin; Dursun, Mehmet Emin; Keklikçi, Uğur (Gazi Göz Vakfı, 2022)Purpose: This study compared the blood inflammatory parameters between early preterm infants with retinopathy of prematurity (ROP) who were treated with intravitreal anti-vascular endothelial growth factor (VEGF)) and those ... -
Evaluation of choroidal thickness in patients who have recovered from COVID-19
Erdem, Seyfettin; Karahan, Mine; Ava, Sedat; Dursun, Mehmet Emin; Dursun, Birgul; Hazar, Leyla; Bozarslan Senol, Berivan (Springer, 2022)Purpose We aimed to evaluate choroidal thickness (CT) in patients who have recovered from COVID-19 by using enhanced depth imaging optical coherence tomography (EDI-OCT). Methods We included fifty-eight patients who have ... -
Evaluation of Diurnal Fluctuation in Parafoveal and Peripapillary Vascular Density Using Optical Coherence Tomography Angiography in Patients with Exfoliative Glaucoma and Primary Open-Angle Glaucoma
Demirtas, Atilim Armagan; Karahan, Mine; Ava, Sedat; Cilem Han, Cagla; Keklikci, Ugur (Taylor & Francis Inc, 2021)Purpose To determine the diurnal variations in parafoveal and peripapillary vessel density using optical coherence tomography angiography in patients with exfoliative glaucoma, patients with primary open-angle glaucoma and ... -
Evaluation of ocular hypoperfusion in patients with acromegaly by using optical coherence tomography angiography
Karahan, Mine; Demirtaş, Atılım Armağan; Erdem, Seyfettin; Ava, Sedat; Pekkolay, Zafer; Keklikçi, Uğur (Taylor & Francis, 2021)Purpose: This study aimed to evaluate the retinal blood vessel parameters and the foveal avascular zone (FAZ) area using optical coherence tomography angiography (OCTA) in patients with acromegaly in comparison with healthy ... -
Evaluation of parafoveal and peripapillary vascular densities using optical coherence tomography angiography in children with thalassemia major
Dursun, Mehmet Emin; Hazar, Leyla; Karahan, Mine; Erdem, Seyfettin; Ava, Sedat; Üzel, Veysiye Hülya; Dursun, Birgül; Keklikçi, Uğur (SAGE Publications Ltd., 2023)Background: Thalassemia major (TM) is an inherited anaemia caused by faulty haemoglobin synthesis. Reducing serum iron levels using iron chelating agents is an important step in the treatment of TM, and the effects on the ... -
Evaluation of parafoveal vascular density using optical coherence tomography angiography in patients with central serous chorioretinopathy
Dursun, Mehmet Emin; Erdem, Seyfettin; Karahan, Mine; Ava, Sedat; Hazar, Leyla; Dursun, Birgul; Keklikci, Ugur (Springer London Ltd, 2022)Using optical coherence tomography angiography (OCTA), we sought to evaluate parafoveal vascular density (VD) in patients with central serous chorioretinopathy (CSCR). Our study included 43 patients with a diagnosis of ... -
Evaluation of peripapillary microcirculation in patients with acromegaly
Karahan, Mine; Demirtaş, Atılım Armağan; Hazar, Leyla; Ava, Sedat; Pekkolay, Zafer; Keklikçi, Uğur (KARE yayıncılık, 2021)Objectives: The aim of this study was to evaluate the radial peripapillary capillary (RPC) and the optic nerve head (ONH) perfusion of patients with acromegaly using optical coherence tomography angiography (OCTA). Methods: ... -
Evaluation of plasma inflammatory markers in patients with nonarteritic retinal artery occlusion
Karahan, Mine; Ava, Sedat; Erdem, Seyfettin; Keklikçi, Uğur; Dursun, Mehmet Emin; Hazar, Leyla; Vural, Esra (2023)Purpose: To examine the clinical characteristics, comorbid status and laboratory parameters of patients followed up with a diagnosis of retinal artery occlusion (RAO) and to compare blood inflammation parameters with control ... -
Evaluation of retinal and optic nerve vasculature by optic coherence tomography angiography in Migraine with Aura
Karahan, Mine; Erdem, Seyfettin; Ava, Sedat; Kaya, A. A.; Demirtaş, Atılım Armaǧan; Keklikçi, Uǧur (Elsevier Masson s.r.l., 2021)Purpose: This study aimed to evaluate the retina by optic coherence tomography angiography (OCTA) in patients with migraine with aura (MA) in comparison with healthy controls. Materials and methods: A total of 60 patients ...
