1. Articles from Sibel Demirel

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    1. Vascular and structural alterations of the choroid evaluated by optical coherence tomography angiography and optical coherence tomography after half-fluence photodynamic therapy in chronic central serous chorioretinopathy

      Vascular and structural alterations of the choroid evaluated by optical coherence tomography angiography and optical coherence tomography after half-fluence photodynamic therapy in chronic central serous chorioretinopathy

      Purpose To concurrently evaluate the effect of half-fluence photodynamic therapy (hf PDT) on choriocapillaris (CC) perfusion and choroidal structure in chronic central serous chorioretinopathy (CSC). Methods This prospective study included 48 eyes of 41 patients with chronic CSC. Enhanced depth imaging optical coherence tomography and optical coherence tomography angiography (OCTA) images were analyzed. Choroidal area (CA), luminal area (LA), and stromal area (SA) were computed using Image J software. Results One month after hf-PDT, total CA decreased to 1.312 mm 2 from 1.490 mm 2 ( p  < 0.001), LA decreased to 0.981 mm 2 from 1.097 ...

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    2. The use of optical coherence tomography angiography in pachychoroid spectrum diseases: a concurrent comparison with dye angiography

      The use of optical coherence tomography angiography in pachychoroid spectrum diseases: a concurrent comparison with dye angiography

      Purpose The study objective was to compare dye angiography and optical coherence tomography angiography (OCTA) in detecting choroidal neovascuarization (CNV) in patients presenting with pachychoroid features and flat irregular pigment epithelial detachment (PED). Methods Nineteen eyes of 17 patients, presenting with flat PED and pachychoroid features, and without age-related macular degeneration or any other degenerative change, were analyzed. Fuorescein angiography (FA)/Indocyanine green angiography (ICGA) and OCTA were performed during the same visit. Subfoveal choroidal thickness was measured by enhanced depth imaging using spectral domain optical coherence tomography. Results The mean age of the patients was 59.1 years. Mean ...

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    3. Macular Involvement and Response to Steroid Therapy Demonstrated by Optical Coherence Tomography in Non-arteritic Anterior Ischaemic Optic Neuropathy

      Macular Involvement and Response to Steroid Therapy Demonstrated by Optical Coherence Tomography in Non-arteritic Anterior Ischaemic Optic Neuropathy

      Two consecutive patients with anterior non-arteritic ischaemic optic neuropathy were evaluated with spectral-domain optical coherence tomography. The optical coherence tomographic scans revealed subfoveal fluid and intraretinal fluid extending from the optic disc margin toward the fovea that made us think that the submacular fluid appeared to arise from the peripapillary region. Fluorescein angiography showed no accumulation in the macular area, whereas leakage and staining of the optic nerve was present. After systemic corticosteroid therapy, the submacular fluid decreased promptly and the visual acuity improved. Subretinal-fluid-associated disc oedema may develop in some patients with NAION and contribute to the visual loss ...

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    4. Unilateral acute maculopathy related to hand, foot, and mouth disease: OCT and fluorescein angiography findings of a very rare disease

      Unilateral acute maculopathy related to hand, foot, and mouth disease: OCT and fluorescein angiography findings of a very rare disease

      Background: Hand, foot, and mouth disease is a contagious enteroviral infection occurring primarily in children and characterized by vesicular palmoplantar eruptions and erosive stomatitis. There are very few cases of unilateral acute idiopathic maculopathy associated with hand, foot, and mouth infection. We described a case with unilateral outer retinitis occurring a few days after the onset of disease. Methods: A 30-year-old man with reduced vision in his right eye underwent complete ophthalmologic examination including fluorescein angiography and spectral optical coherence tomography. Results: Fundus fluorescein angiography demonstrated mottled hyperfluorescence in the early phase and leakage in the late phase. Spectral domain ...

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    1-5 of 5
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    Unilateral acute maculopathy related to hand, foot, and mouth disease: OCT and fluorescein angiography findings of a very rare disease Macular Involvement and Response to Steroid Therapy Demonstrated by Optical Coherence Tomography in Non-arteritic Anterior Ischaemic Optic Neuropathy The use of optical coherence tomography angiography in pachychoroid spectrum diseases: a concurrent comparison with dye angiography Optical coherence tomography angiography in pachychoroid spectrum diseases Vascular and structural alterations of the choroid evaluated by optical coherence tomography angiography and optical coherence tomography after half-fluence photodynamic therapy in chronic central serous chorioretinopathy In vivo evaluation of corneal biomechanical properties by optical coherence elastography at different cross-linking irradiances The Association of Optical Coherence Tomography Results With Neuroimaging Signs and Some Clinical Parameters in Idiopathic Intracranial Hypertension Low cost scalable monolithic common path probe design for the application in endoscopic optical coherence tomography Retinal and Choroidal Vascular Changes in Eyes with Pseudoexfoliation Syndrome: a Comparative Study Using Optical Coherence Tomography Angiography Longitudinal Detection of Radiation-Induced Peripapillary and Macular Retinal Capillary Ischemia Using Optical Coherence Tomography Angiography Morphometric characteristics of the optical disc and thickness of retinal nerve fibre layer using Cirrus 5000 optical coherence tomography in healthy patients attending the National Institute of Ophthalmology Comparison of vascular parameters between normal cynomolgus macaques and healthy humans by optical coherence tomography angiography