منابع مشابه
Detection of retinal capillary nonperfusion in fundus fluorescein angiogram of diabetic retinopathy
INTRODUCTION Retinal capillary nonperfusion (CNP) is one of the retinal vascular diseases in diabetic retinopathy (DR) patients. As there is no comprehensive detection technique to recognize CNP areas, we proposed a different method for computing detection of ischemic retina, non-perfused (NP) regions, in fundus fluorescein angiogram (FFA) images. METHODS Whilst major vessels appear as ridges...
متن کاملFluorescein angiogram findings in a case of cutis marmorata telangiectatica congenita.
Cutis marmorata telangiectatica congenita is a well-characterized cutaneous vascular disorder with variable and rare ocular involvement. It has been reported in association with glaucoma, bilateral congenital retinal detachments, bilateral tractional retinal detachments secondary to proliferative vitreoretinopathy, and retinoblastoma. This case demonstrates novel findings of bilateral periphera...
متن کاملAutomated Detection of Vessel Abnormalities on Fluorescein Angiogram in Malarial Retinopathy
The detection and assessment of intravascular filling defects is important, because they may represent a process central to cerebral malaria pathogenesis: neurovascular sequestration. We have developed and validated a framework that can automatically detect intravascular filling defects in fluorescein angiogram images. It first employs a state-of-the-art segmentation approach to extract the ves...
متن کاملUltrawide-field Fluorescein Angiography for Evaluation of Diabetic Retinopathy
PURPOSE To investigate the advantages of ultrawide-field fluorescein angiography (FA) over the standard fundus examination in the evaluation of diabetic retinopathy (DR). METHODS Ultrawide-field FAs were obtained in 118 eyes of 59 diabetic patients; 11 eyes with no DR, 71 eyes with nonproliferative diabetic retinopathy (NPDR), and 36 eyes with proliferative diabetic retinopathy (PDR), diagnos...
متن کاملQuantitative evaluation of experimental choroidal neovascularization by confocal scanning laser ophthalmoscopy: fluorescein angiogram parallels heparan sulfate proteoglycan expression.
The objective of the present study was to develop a quantitative method to evaluate laser-induced choroidal neovascularization (CNV) in a rat model using Heidelberg Retina Angiograph 2 (HRA2) imaging. The expression of two heparan sulfate proteoglycans (HSPG) related to inflammation and angiogenesis was also investigated. CNV lesions were induced with argon laser in 21 heterozygous Zucker rats ...
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ژورنال
عنوان ژورنال: The Japanese Journal of Veterinary Science
سال: 1986
ISSN: 0021-5295,1881-1442
DOI: 10.1292/jvms1939.48.1257