نتایج جستجو برای: choroidal fold
تعداد نتایج: 150365 فیلتر نتایج به سال:
PURPOSE To evaluate the risk factors for choroidal detachment after trabeculectomy with mitomycin C (MMC). MATERIALS AND METHODS We retrospectively evaluated 420 patients (420 eyes) with glaucoma who underwent trabeculectomy with MMC between June 1, 2005 and December 31, 2010 at Kumamoto University Hospital, Japan. Choroidal detachment after trabeculectomy was defined as a solid-appearing ele...
PURPOSE To evaluate a simplified method to measure peripapillary choroidal thickness using commercially available, three-dimensional optical coherence tomography (3D-OCT). METHODS 3D-OCT images of normal eyes were consecutively obtained from the 3D-OCT database of Korea University Medical Center On the peripapillary images for retinal nerve fiber layer (RNFL) analysis, choroidal thickness was...
N -(Carboxymethyl)lysine (CML) over-stimulates choroidal neovascularization in vitro in streptozotocin (STZ)-diabetic rat. In this study, we investigated the effects of CML-induced choroidal angiogenic potential on retinal neovascularization during the course of STZ-induced diabetes in rats. Retinal and choroidal explants were isolated from the same eyeball of early-diabetic, advanced-diabetic ...
PURPOSE To study the choroidal thickness in healthy subjects by swept-source optical coherence tomography (SS-OCT) at longer wavelength. METHODS The macular area of 31 eyes (31 healthy volunteers) was studied with an SS-OCT prototype system, which uses a tunable laser as a light source operated at 100,000 Hz A scan repetition rate in the 1-μm wavelength region. Three-dimensional volumetric me...
We have carried out a number of different studies in chicks to examine the relationship between choroidal blood flow and myopic eye growth, and between accommodation and myopic eye growth. Our studies on choroidal blood flow show that myopic eye growth produced by form vision degradation leads to dramatic reductions in choroidal blood flow. These reductions appear directly attributable to the e...
To compare the choroidal area in different eye fundus sectors of subjects with normal eyes, early-stage primary open-angle glaucoma (POAG) eyes, and 10° tubular visual field POAG eyes using enhanced depth imaging optical coherence tomography.Twenty-five normal, 25 early-stage POAG, and 25 ten-degree tubular visual field POAG eyes were recruited. Enhanced depth imaging optical coherence tomograp...
An otherwise healthy 27-year-old woman presented with complaints of sudden painless blurred vision in the right eye for one week. On examination, visual acuity was 20/30 in the right eye and 20/20 in left eye. Fundus examination OS was normal, but OD demonstrated an elevated, opaque, yellowish parapapillary choroidal lesion with grayish membrane associated with minimal subretinal fluid, suggest...
PURPOSE To describe clinical, optical coherence tomography (OCT) and fundus autofluorescence (FAF) findings in patients with intraocular tumors and determine if OCT and FAF could be helpful in the differential diagnosis and management of different choroidal tumors. METHODS Forty-nine patients with untreated, macular, midperipheral, and extrapapillary intraocular tumors were included. All pati...
BACKGROUND/AIM The significance of indocyanine green (ICG) angiography (ICGA) in Harada's disease still awaits clarification in many respects. This study investigates the details of choroidal lesions observed in Harada's disease by the subtraction method. METHODS Eight patients with Harada's disease were followed with ICGA. ICG angiograms were obtained with a Topcon high resolution digital fu...
AIM To determine the frequency of visually asymptomatic choroidal metastasis in patients with disseminated breast cancer and its dependence on the incidence of metastasis by number and site of other organ metastases. METHODS From January 1995 until April 1997 120 patients irradiated for disseminated breast cancer underwent ophthalmological screening for choroidal metastasis. No patient was sy...
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