Browsing by Author "Çelebi, Serdal"
Now showing items 1-20 of 54
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Administration of high dose intravitreal melatonin degenerates retinal cells in guinea pigs
Yılmaz, Turgut; Naziroǧlu, Mustafa; Çelebi, Serdal; Özercan, Hanifi İbrahim; Kükner, A. Şahap (2004)The purpose of this study was to investigate the influence of intravitreally injected different doses of melatonin on retinal morphology. The right eyes of 35 male albino guinea pigs were used. The animals were classified ... -
Alt oblik miyektomi sonrası internal oftalmopleji gelişen iki olgu
Ulaş, Fatih; Doğan, Ümit; Bucak, Y. Yücel; Çelebi, Serdal (2012)Alt oblik kası aşırı fonksiyonu nedeniyle kliniğimize başvuran 3 ve 38 yaşlarındaki iki kadın olguya alt oblik miyektomi ameliyatı uygulandı. İki olguda da ameliyat sonrası birinci gün internal oftalmoplejiye bağlı anizokori ... -
Aqueous humour and serum concentration of asymmetric dimethyl arginine in pseudoexfoliation syndrome
Tosun, Mehmet; Erdurmuş, Mesut; Buğdaycı, Güler; Çelebi, Serdal; Alçelik, Aytekin (Bmj Publishing Group, 2012)Objective Asymmetric dimethyl arginine (ADMA) is the major endogenous inhibitor of nitric oxide synthase. ADMA is related to endothelial dysfunction and is an independent cardiovascular risk factor. This study aimed to ... -
Association of dehydroepiandrosterone sulfate, serum lipids, C-reactive protein and body mass index with age-related macular degeneration
Ulaş, Fatih; Balbaba, Mehmet; Özmen, Sedat; Çelebi, Serdal; Doğan, Ümit (Springer, 2013)The present study was designed to evaluate the associations between exudative age-related macular degeneration (AMD) and the serum concentrations of C-reactive protein (CRP), dehydroepiandrosterone sulfate (DHEAS), and ... -
Can hypothyroidism cause acute central serous chorioretinopathy?
Ulaş, Fatih; Uyar, Enes; Tekçe, Hikmet; Çelebi, Serdal (Taylor & Francis Inc, 2019)Purpose: To evaluate selected systemic findings, especially thyroid functions, in acute central serous chorioretinopathy (CSC) patients. Materials and Methods: In all, 71 consecutive acute CSC patients who fulfilled the ... -
Choroidal thickness changes during the menstrual cycle
Ulaş, Fatih; Doğan, Ümit; Duran, Bülent; Keleş, Asena; Ağca, Sümeyra; Çelebi, Serdal (Informa Healthcare, 2013)Purpose: To evaluate the effects of the menstrual cycle on the choroidal thickness of healthy women of reproductive age using spectral-domain optical coherence tomography. Materials and methods: A total of 23 right eyes ... -
A comparative study of bimatoprost and travoprost: Effect on intraocular pressure and ocular circulation in newly diagnosed glaucoma patients
Alagöz, Gürsoy; Gürel, Kamil; Bayer, Atilla; Serin, Didem; Çelebi, Serdal; Kükner, Şahap (Karger, 2008)Background: This study compares intraocular pressure (IOP)-lowering efficacy and retrobulbar hemodynamic effects of bimatoprost and travoprost in patients with newly diagnosed open-angle glaucoma. Methods: Patients were ... -
Comparison of the effect of intravitreal bevacizumab and intravitreal fasudil on retinal VEGF, TNF alpha, and caspase 3 levels in an experimental diabetes model
Çelik, Fatih; Ulaş, Fatih; Özünal, Zeynep Güneş; Fırat, Tülin; Çelebi, Serdal; Doğan, Ümit (Ijo Press, 2014)AIM: To evaluate the influence of an intravitreal injection of bevacizumab and fasudil on the retinal vascular endothelial growth factor (VEGF), tumor necrosis factor alpha (TNF alpha), and caspase 3 levels in a diabetic ... -
Dejeneratif miyop hastada şeffaf lens ekstraksiyonu sonrası gelişen anizokori
Ulaş, Fatih; Çelik, Fatih; Doğan, Ümit; Çelebi, Serdal (2013)Dejeneratif miyopi 20-50 yaş arasındaki kişilerde görme azalmasının önemli nedenlerindendir. Patolojik mekanizma tam olarak bilinmese de genetik ve çevresel faktörlerin birlikte rol oynadığı düşünülmektedir. Dejeneratif ... -
Disosiye horizontal deviasyon: 13 olguda klinik bulgular ve cerrahi tedavi sonuçları
Çelebi, Serdal; Aydemir, Orhan; Yılmaz, Turgut (2003)Amaç: Disosiye Horizontal Deviasyon (DHD) abduktor komponentin belirgin olduğu disosiye bir şaşılık türüdür. DHD 'nin iki karekteristik özelliği, asimetrik horizontal kayma ve değişken kayma açısı mevcudiyetidir. Bu çalışmada ... -
Diyabetik maküler ödemi olan hastalarda intravitreal triamsinolon asetonid ve bevacizumabın retinal damar çapı üzerine kısa dönem etkilerinin karşılaştırılması
Amaç: Diyabetik maküla ödemi nedeniyle intravitreal triamsinolon asetonid ve bevacizumab uygulanan hastalarda retina damar çapı değişikliklerinin karşılaştırılması. Gereç ve Yöntem: Yaşları 41-78 arası değişen 42 diyabetik ... -
Diyabetik olmayan kronik böbrek yetmezliği hastalarında hemodiyalizin gözdeki etkileri
Ulaş, Fatih; Doğan, Ümit; Keleş, Asena; Ertilav, Muhittin; Tekçe, Hikmet; Çelebi, Serdal; Taslamacıoğlu, Tuba (Turkiye Klinikleri, 2014)Objective: To evaluate effects of hemodialysis on best-corrected visual acuity (BCVA), spherical equivalent, central corneal thickness (CCT), intraocular pressure (IOP), macular volume, and retinal nerve fiber layer (RNFL) ... -
Diyabetik retinopati gelişmemiş diyabetik olgularda retina, retina sinir lifi tabakası ve koroid kalınlığının değerlendirilmesi
Amaç: Diyabetik retinopati gelişmemiş diyabetik olguların retina, retina sinir lifi tabakası (RSLT) ve koroid tabakası kalınlığının sağlıklı bireylerle karşılaştırılması.Gereç ve Yöntem: Çalışmaya 37-78 yaş arasında 133 ... -
Effect of smoking on choroidal thickness in healthy smokers
Ulaş, Fatih; Çelik, Fatih; Doğan, Ümit; Çelebi, Serdal (Informa Healthcare, 2014)Purpose: To evaluate the acute and chronic effects of cigarette smoking on the choroidal thickness of young male smokers with smoking histories exceeding 10 years using spectral domain optical coherence tomography (SD OCT). ... -
Effect of fasting on choroidal thickness and Its diurnal variation
Uyar, Enes; Doğan, Ümit; Ulaş, Fatih; Çelebi, Serdal (Taylor & Francis Inc, 2019)Purpose: The aim of this study was to assess the effect of Ramadan fasting on choroidal thickness (CT) and its associated diurnal variations using spectral domain optic coherence tomography. Materials and Methods: Ocular ... -
Effect of prophylactic intraocular pressure-lowering medication on pain during cataract surgery
Ulaş, Fatih; Balbaba, Mehmet; Çelebi, Serdal (Mary Ann Liebert, Inc, 2013)Purpose: This study evaluated the effects of acetazolamide, latanoprost, travoprost, bimatoprost, brimonidine, brinzolamide, and timolol on pain during phacoemulsification cataract surgery. Methods: This prospective ... -
Effects of a water-loading test on intraocular pressure and corneal hysteresis in young healthy subjects
Ulaş, Fatih; Balbaba, Mehmet; Çelebi, Serdal (Lippincott Williams & Wilkins, 2014)Purpose:To evaluate the influence of a water-loading test on corneal compensated intraocular pressure (IOPcc) and corneal hysteresis (CH) in young healthy subjects.Materials and Methods:Forty healthy adult subjects (20 ... -
Effects of intraperitoneal vitamin E, melatonin and aprotinin on leptin expression in the guinea pig eye during experimental uveitis
Kükner, Aysel; Çolakoğlu, Nermin; Serin, Didem; Alagöz, Gürsoy; Çelebi, Serdal; Kükner, A. Şahap (Wiley, 2006)Purpose: To observe ultrastructural changes and leptin expression in the guinea pig eye during experimental uveitis (EU) and the effects of vitamin E, melatonin and aprotinin on leptin expression. Methods: Thirty male ... -
Evaluation of choroidal and retinal thickness measurements using optical coherence tomography in non-diabetic haemodialysis patients
Ulaş, Fatih; Doğan, Ümit; Keleş, Asena; Ertilav, Muhittin; Tekçe, Hikmet; Çelebi, Serdal (Springer, 2013)The aim of this study is to evaluate the effects of haemodialysis with a high ultrafiltration rate on the choroidal and retinal thickness of non-diabetic end-stage chronic renal failure (CRF) patients using optical coherence ... -
Evaluation of subjects with a moderate cup to disc ratio using optical coherence tomography and Heidelberg retina tomograph 3: impact of the disc area
Ulaş, Fatih; Doğan, Ümit; Kaymaz, Abdulgani; Çelik, Fatih; Çelebi, Serdal (Medknow Publications & Media Pvt Ltd, 2015)The aim was to evaluate subjects with a moderate cup to disc ratio using optical coherence tomograph (OCT) and Heidelberg retina tomograph (HRT) 3. Settings and Design: We included 80 patients with early glaucoma and 80 ...
