RPS-Net: An effective retinal image projection segmentation network for retinal vessels and foveal avascular zone based on OCTA data.
Sign Up to like & getrecommendations! Published in 2022 at "Medical physics"
DOI: 10.1002/mp.15608
Abstract: BACKGROUND Optical coherence tomography angiography (OCTA) is an advanced imaging technology that can present the three-dimensional (3D) structure of retinal vessels (RVs). Quantitative analysis of retinal vessel density and foveal avascular zone (FAZ) area is… read more here.
Keywords: network; foveal avascular; projection; retinal vessels ... See more keywords
Gastric Bypass Improves Microvascular Perfusion in Patients with Obesity
Sign Up to like & getrecommendations! Published in 2021 at "Obesity Surgery"
DOI: 10.1007/s11695-021-05223-1
Abstract: Basic science research has shown that obesity is associated with microvascular endothelial dysfunction. However, whether bariatric surgery impacts the microvascular networks has yet to be explored. This study sought to evaluate the impact of gastric… read more here.
Keywords: surgery; gastric bypass; avascular zone; obesity ... See more keywords
Normative Data Assessment of Vessel Density and Foveal Avascular Zone Metrics Using AngioScan Software
Sign Up to like & getrecommendations! Published in 2019 at "Current Eye Research"
DOI: 10.1080/02713683.2019.1639769
Abstract: ABSTRACT Purpose: To establish a normative database for macular and peripapillary vessel densities (VD) and foveal avascular zone (FAZ) metrics in healthy subjects with the new version of AngioScan software of RS-3000 Advance (Nidek Co,… read more here.
Keywords: angioscan software; faz area; normative data; avascular zone ... See more keywords
MFRP variant results in nanophthalmos, retinitis pigmentosa, variability in foveal avascular zone
Sign Up to like & getrecommendations! Published in 2022 at "Ophthalmic Genetics"
DOI: 10.1080/13816810.2022.2103835
Abstract: ABSTRACT Background Membrane frizzled-related protein (MFRP) plays a critical role in ocular development. MFRP mutations are known to cause nanophthalmos and, in some cases, retinitis pigmentosa, foveoschisis, and/or optic nerve head (ONH) drusen. The broad… read more here.
Keywords: foveal avascular; avascular zone; retinitis pigmentosa; mfrp ... See more keywords
Glaucoma Diagnostic Capabilities of Foveal Avascular Zone Parameters Using Optical Coherence Tomography Angiography According to Visual Field Defect Location
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Glaucoma"
DOI: 10.1097/ijg.0000000000000800
Abstract: Purpose: To assess the diagnostic ability of foveal avascular zone (FAZ) parameters to discriminate glaucomatous eyes with visual field defects (VFDs) in different locations (central vs. peripheral) from normal eyes. Patients and Methods: Totally, 125… read more here.
Keywords: optical coherence; faz area; avascular zone; visual field ... See more keywords
Unmeasurable small size superficial and deep foveal avascular zone in nanophthalmos: the Collaborative Nanophthalmos OCTA Study
Sign Up to like & getrecommendations! Published in 2018 at "British Journal of Ophthalmology"
DOI: 10.1136/bjophthalmol-2018-312781
Abstract: Aim To study the macular structure and vasculature in consecutive nanophthalmic eyes using optical coherence tomography angiography. Methods This is a prospective, multicentre, cross-sectional study of patients with nanophthalmos (one or both eyes). The superficial… read more here.
Keywords: superficial deep; unmeasurable small; study; deep foveal ... See more keywords
Association of foveal avascular zone area withstructural and functional progression in glaucoma patients
Sign Up to like & getrecommendations! Published in 2021 at "British Journal of Ophthalmology"
DOI: 10.1136/bjophthalmol-2020-318065
Abstract: Background To investigate whether quantitative optical coherence tomography angiography (OCTA) metrics of the superficial/deep macular retina and optic disc are associated with glaucoma progression risk. Methods A total of 238 eyes from 119 patients with… read more here.
Keywords: octa metrics; avascular zone; area; glaucoma ... See more keywords
Application of Improved U-Net Convolutional Neural Network for Automatic Quantification of the Foveal Avascular Zone in Diabetic Macular Ischemia
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Diabetes Research"
DOI: 10.1155/2022/4612554
Abstract: Objectives The foveal avascular zone (FAZ) is a biomarker for quantifying diabetic macular ischemia (DMI), to automate the identification and quantification of the FAZ in DMI, using an improved U-Net convolutional neural network (CNN) and… read more here.
Keywords: improved net; cnn; octa images; model ... See more keywords
Repeatability and Reproducibility of Foveal Avascular Zone Area Measurement on Normal Eyes by Different Optical Coherence Tomography Angiography Instruments
Sign Up to like & getrecommendations! Published in 2018 at "Ophthalmic Research"
DOI: 10.1159/000485463
Abstract: Purpose: To compare the foveal avascular zone (FAZ) area measurements produced by different optical coherence tomography angiography (OCTA). Methods: Healthy enrolled volunteers underwent OCTA using 2 different devices: Spectralis HRA+OCTA (Heidelberg Engineering, Heidelberg, Germany) and… read more here.
Keywords: optical coherence; avascular zone; different optical; coherence tomography ... See more keywords
Reproducibility of Foveal Avascular Zone and Superficial Macular Retinal Vasculature Measurements in Healthy Eyes Determined by Two Different Scanning Protocols of Optical Coherence Tomography Angiography
Sign Up to like & getrecommendations! Published in 2019 at "Ophthalmic Research"
DOI: 10.1159/000503071
Abstract: Purpose: To assess the reproducibility of quantitative measurements of the foveal avascular zone (FAZ) and retinal vasculature determined by different scanning protocols of optical coherence tomography angiography (OCTA) in healthy volunteers. Method: All participants were… read more here.
Keywords: reproducibility; retinal vasculature; angiography; foveal avascular ... See more keywords
Improving foveal avascular zone segmentation in fluorescein angiograms by leveraging manual vessel labels from public color fundus pictures.
Sign Up to like & getrecommendations! Published in 2022 at "Biomedical optics express"
DOI: 10.1364/boe.452873
Abstract: In clinical routine, ophthalmologists frequently analyze the shape and size of the foveal avascular zone (FAZ) to detect and monitor retinal diseases. In order to extract those parameters, the contours of the FAZ need to… read more here.
Keywords: color fundus; foveal avascular; avascular zone; segmentation ... See more keywords