Results 51 to 60 of about 71,980 (237)

Peripapillary and fovea avascular zone optical coherence tomography angiography parameters in exfoliation glaucoma versus primary open-angle glaucoma versus healthy eyes

open access: yesIndian Journal of Ophthalmology, 2022
Purpose: To examine the differences in the peripapillary vascular parameters and foveal-avascular-zone (FAZ) vascularity parameters between primary open-angle-glaucoma (POAG) patients versus exfoliation-glaucoma (XFG) patients versus healthy subjects ...
Ofira Zloto   +4 more
doaj   +1 more source

Total and partial cloud amount detection during summer 2005 at Westerland (Sylt, Germany) [PDF]

open access: yes, 2009
The detection of cloudiness is investigated by means of partial and total cloud amount estimations from pyrgeometer radiation measurements and visible all-sky imager observations.
Macke, Andreas   +3 more
core   +1 more source

Universal Oxychlorination Strategy in Halide Solid Electrolytes for All‐Solid‐State Batteries

open access: yesAdvanced Energy Materials, EarlyView.
A WO2Cl2‐driven oxychlorination strategy enables bulk oxygen incorporation into close‐packed LixMCl6 (M = Zr, Y, Er, In) halide lattices. Oxygen is selectively anchored by W6+ as lattice‐integrated [WO2Cl4]2− units, regulating the anionic framework, diversifying Li coordination, and weakening Li–Cl interactions.
Jae‐Seung Kim   +13 more
wiley   +1 more source

Evaluation of the Changes in Vessel Density and Retinal Thickness in Patients Who Underwent Unilateral Congenital Cataract Extraction by OCTA

open access: yesClinical Ophthalmology, 2020
Weiwei Zhang,1,* Huan Hu,2,* Haixia Cheng,3,* Qinghuai Liu,1 Dongqing Yuan1 1Department of Ophthalmology, The First Affiliated Hospital with Nanjing Medical University, Nanjing, Jiangsu Province, People’s Republic of China; 2Department of ...
Zhang W, Hu H, Cheng H, Liu Q, Yuan D
doaj  

Changes in Ocular Biomarkers from Normal Cognitive Aging to Alzheimer’s Disease: A Pilot Study

open access: yesEye and Brain, 2023
Pareena Chaitanuwong,1,2 Supharat Jariyakosol,3,4 Supanut Apinyawasisuk,3,4 Parima Hirunwiwatkul,3,4 Hathairat Lawanlattanagul,3,4 Solaphat Hemrungrojn,5,6 Yuda Chongpison7 1Ophthalmology Department, Rajavithi Hospital, Ministry of Public Health, Bangkok,
Chaitanuwong P   +6 more
doaj  

OMSN and FAROS: OCTA Microstructure Segmentation Network and Fully Annotated Retinal OCTA Segmentation Dataset

open access: yesCoRR, 2022
10 pages, 6 figures, submitted to IEEE Transactions on Medical Imaging (TMI)
Peng Xiao   +6 more
openaire   +2 more sources

Retinal Vessel Segmentation: A Comprehensive Review From Classical Methods to Deep Learning Advances (1982–2025)

open access: yesAdvanced Intelligent Systems, EarlyView.
Four decades of retinal vessel segmentation research (1982–2025) are synthesized, spanning classical image processing, machine learning, and deep learning paradigms. A meta‐analysis of 428 studies establishes a unified taxonomy and highlights performance trends, generalization capabilities, and clinical relevance.
Avinash Bansal   +6 more
wiley   +1 more source

Increased papillary microcirculation in inactive uveitis patients by optical coherence tomography angiography

open access: yesAll Life, 2023
Aim: To quantitatively analyze the vascular and structure abnormalities in the papillary areas in eyes with noninfectious uveitis during different periods using optical coherence tomography angiography (OCTA).
Yao Xu, Xuefei Zhu
doaj   +1 more source

On-surface and Subsurface Adsorption of Oxygen on Stepped Ag(210) and Ag(410) Surfaces

open access: yes, 2003
The adsorption of atomic oxygen and its inclusion into subsurface sites on Ag(210) and Ag(410) surfaces have been investigated using density functional theory.
Baroni, S.   +4 more
core   +2 more sources

Optical Coherence Tomography Angiography Features of Iris Racemose Hemangioma in 4 Cases. [PDF]

open access: yes, 2017
Importance: Optical coherence tomography angiography (OCTA) allows visualization of iris racemose hemangioma course and its relation to the normal iris microvasculature. Objective: To describe OCTA features of iris racemose hemangioma.
Chien, Jason L.   +4 more
core   +2 more sources

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