Browsing by Author "Doğan, Ümit"
Now showing items 1-20 of 41
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Alpha blocker treatment and intra-operative floppy iris syndrome
Özyalvaçlı, Mehmet Emin; Doğan, Ümit; Gücük, Adnan (Galenos Yayıncılık, 2015)Benign prostate hyperplasia (BPH) in the leading cause of lower urinary tract symptoms (LUTS) in elderly ages. Alpha blocker treatment which is advised by urology guidelines is the main treatment of LUTS related to BPH. ... -
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 ... -
Anterior chamber fixation of a posterior chamber intraocular lens: A novel technique
Kükner, Ahmet Şahap; Alagöz, Gürsoy; Erdurmuş, Mesut; Serin, Didem; Doğan, Ümit (Medknow Publications & Media Pvt Ltd, 2014)We aimed to evaluate the implantation of a posterior chamber intraocular lens (IOL) in the anterior chamber (AC) with the haptics passing through two iridectomies to the posterior chamber. A total of 33 eyes of 33 patients ... -
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 ... -
Bilateral nevus comedonicus of the eyelids associated with bladder cancer and successful treatment with topical tretinoin
Polat, Mualla; Tuman, Bengü Altunay; Şahin, Aslı; Doğan, Ümit; Boran, Çetin (Wiley-Blackwell, 2016)Dear Editor Nevus comedonicus (NC) is a rare epidermalhamartoma of unknown etiology, most com-monly located on the head and neck (1). It ischaracterized by groups of dilated follicular ori-fices resembling comedones, filled ... -
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 ... -
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 ... -
Comparison of the effects of topical corneal inhibitory agents on TTL and PON1 in rats
Soydan, Adem; Yazar, Hayrullah; Çetinkaya, Ayhan; Terzi, Elçin Hakan; Ulaş, Fatih; Doğan, Ümit (Rjpbcs Research Journal Pharmaceutical, Biological & Chemical Sciences, 2017)The aim of this study was to compare the effects of topical corneal inhibitory agents on total thiol (TTL) and paraoxonase 1 (PON1) levels in rats with experimentally acquired keratoconjunctivitis. Thirty-five rats were ... -
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 ... -
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 nepafenac 0.1% on retinal thickness after cataract surgery in patients without risk factors for cystoid macular edema
Şahin, Asena Keleş; Kükner, Ahmet Şahap; Ulaş, Fatih; Doğan, Ümit (Ijo Press, 2020)AIM: To evaluate the effect of topical preoperative nepafenac 0.1% treatment on postoperative macular edema using optical coherence tomography (OCT) after uncomplicated cataract surgery. METHODS: Ninety eyes of 90 patients ... -
Epiretinal membran ile birliktelik gösteren dirençli diyabetik maküla ödeminin tedavisinde intravitreal deksametazon implantasyonu
Soydan, Adem; Ulaş, Fatih; Doğan, Ümit (2015)Son yıllarda intravitreal deksametazon implantı retina ven tıkanıklığına ve arka üveite bağlı gelişen maküla ödemi endikasyonlarında kullanıma sunulmuştur. Ülkemizde diyabetik maküla ödemi tedavisinde endikasyon dışı olarak ... -
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 retina and retinal nerve fiber layer thicknesses with vitamin b12 deficiency
Doğan, Ümit; Türkoğlu, Şule Aydın; Ulaş, Fatih; Soydan, Adem; Kaymaz, Abdulgani; Eroğlu, Tarık; Ağca, Sümeyra (Wiley-Blackwell, 2016)Aim: We aimed to compare the retinal nerve fiber layer (RNFL) and ganglion cell layer (GCL) thickness of B12 vitamin deficiency patients with healthy controls using optical coherence tomography (OCT). Methods: ... -
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 ... -
Evaluation of total antioxidant and oxidant status in the serum of patients with seasonal allergic conjunctivitis.
Doğan, Ümit; Ağca, Sümeyra; Kıntekçe, Buket (Scientific Publishers of India, 2018)Purpose: To investigate the relationship between seasonal allergic conjunctivitis (SAC) and oxidative stress by measuring serum total antioxidant status (TAS), total oxidant status (TOS) and oxidative stress index (OSI). ...