1. Articles from Kemal Tekin

    1-4 of 4
    1. Optical Coherence Tomography of Adult-Onset Foveomacular Vitelliform Dystrophy Concomitant with Diabetic Cystoid Macular Edema

      Optical Coherence Tomography of Adult-Onset Foveomacular Vitelliform Dystrophy Concomitant with Diabetic Cystoid Macular Edema

      Purpose: To report an unusual appearance on Spectralis optical coherence tomography (OCT) finding: bilateral adult-onset foveomacular vitelliform dystrophy (AFVD) concomitant with diabetic cystoid macular edema. Case Description: Fundus examination of a 55 year-old patient demonstrated a round, elevated yellowish lesion centered by a pigmented spot, widespread intraretinal microaneurysms and dot-blot hemorrhages with a small number of hard exudates in the both eyes. OCT scans of both eyes disclosed that the foveal retina was raised by a hyperreflective material which was located between the retina pigment epithelium and the photoreceptor layer with a persistent posterior hyaloid attachment, exerting adhesion on the ...

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    2. The Validity of Optical Coherence Tomography Angiography as a Screening Test for the Early Detection of Retinal Changes in Patients with Hydroxychloroquine Therapy

      The Validity of Optical Coherence Tomography Angiography as a Screening Test for the Early Detection of Retinal Changes in Patients with Hydroxychloroquine Therapy

      Purpose : The aim of this study was to quantitatively compare both the vessel density of macular capillary plexuses and the foveal avascular zone (FAZ) areas of patients receiving hydroxychloroquine (HCQ) therapy for more than 5 years while using age- and sex- matched controls. Methods : The patients undergoing HCQ who were screened for toxic effects were evaluated. The FAZ parameters included the area, perimeter, and the acircularity index. The foveal density and vessel density values of both the superficial (SCP) and deep capillary plexuses (DCP) were measured using optical coherence tomography angiography (OCTA). Results : This study included 80 eyes of 40 ...

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    3. Quantitative Analysis of Optical Coherence Tomography Angiography Features in Patients with Non-Ocular Behcet’s Disease

      Quantitative Analysis of Optical Coherence Tomography Angiography Features in Patients with Non-Ocular Behcet’s Disease

      Purpose : To quantitatively measure the flow, non-flow, density, and foveal avascular zone (FAZ) assessment tool parameters of optical coherence tomography angiography (OCTA) in patients with non-ocular Behcet’s Disease (BD), and to compare the results with those obtained in healthy controls. Methods : FAZ parameters, flow area of choriocapillaris, and vessel density values of both superficial (SCP) and deep capillary plexuses (DCP) were measured using OCTA. Results : The FAZ area in SCP, FAZ area in full retinal vasculature, and FAZ perimeter were significantly higher and foveal density-300 was significantly lower in the BD group than in the control group (p = 0 ...

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    1-4 of 4
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