Results 91 to 100 of about 88,265 (286)

A Swept source optical coherence tomography angiography study: Imaging artifacts and comparison of non-perfusion areas with fluorescein angiography in diabetic macular edema.

open access: yesPLoS ONE, 2021
PurposeSwept Source Optical coherence tomography angiography (SS-OCTA) is a novel technique to visualize perfusion and vascular changes like ischemia in patients with diabetic retinopathy.
Dominika Podkowinski   +5 more
doaj   +1 more source

Quantum oscillations in adsorption energetics of atomic oxygen on Pb(111) ultrathin films: A density-functional theory study

open access: yes, 2011
Using first-principles calculations, we have systematically studied the quantum size effects of ultrathin Pb(111) films on the adsorption energies and diffusion energy barriers of oxygen atoms.
Bo Sun   +7 more
core   +1 more source

Elusiveness of bishomoaromaticity in anionic systems: the bicyclo[3.2.1]octa-3,6-dien-2-yl anion [PDF]

open access: yes, 1981
This article does not have an ...
Chandrasekhar, Jayaraman   +3 more
core   +1 more source

Appearance of cysts and capillary non perfusion areas in diabetic macular edema using two different OCTA devices

open access: yesScientific Reports, 2020
The aim of this paper was to distinguish the appearance of cysts and non-perfusion areas (NPAs) in diabetic macular edema (DME) using two different Optical Coherence Tomography Angiography (OCTA) devices.
M. Parravano   +9 more
semanticscholar   +1 more source

Artificial Intelligence in Ophthalmology: Current Status, Challenges, and Future Perspectives

open access: yesHealth Care Science, EarlyView.
Current research of artificial intelligence (AI) in ophthalmology. ABSTRACT Artificial intelligence (AI) is revolutionizing ophthalmology by providing innovative solutions for disease screening, diagnosis, personalized treatment, and the delivery of global healthcare services.
She Chongyang, Tao Yong
wiley   +1 more source

Optical Coherence Tomography with Angiography in the Analysis of Vitrectomy Effectiveness in Patients with Vitreomacular Traction Syndrome

open access: yesOftalʹmologiâ, 2020
Micro incision vitrectomy surgery with removal of epiretinal and internal limiting membranes is used for treating various forms of vitreomacular traction syndrome.Objective: to study the condition of retinal microcirculation using the OCTA method in the ...
T. G. Kamenskikh   +3 more
doaj   +1 more source

Dissociation of hydrogen molecules on the clean and hydrogen-preadsorbed Be(0001) surface

open access: yes, 2011
Using first-principles calculations, we systematically study the potential energy surfaces and dissociation processes for hydrogen molecules on the clean and hydrogen-preadsorbed Be(0001) surfaces.
Allouche   +37 more
core   +1 more source

Optical Coherence Tomography Angiography of Iris Nevus: A Case Report [PDF]

open access: yes, 2016
Iris nevus is common: 6% of patients with suspected iris melanoma have lesions other than melanoma, and 36% of them are nevi. Iris nevus turns into melanoma in approximately 8% of cases at a mean of 15 years.
Allegrini, D., Montesano, G., Pece, A.
core   +3 more sources

Quantification of choriocapillaris with OCTA: a comparison study.

open access: yesAmerican journal of ophthalmology-glaucoma, 2019
PURPOSE To demonstrate the variation in quantitative choriocapillaris (CC) metrics with various binarization approaches using optical coherence tomography angiography (OCTA). DESIGN Retrospective, observational, cross-sectional case series.
Zhongdi Chu   +3 more
semanticscholar   +1 more source

OCTA Multilayer and Multisector Peripapillary Microvascular Modeling for Diagnosing and Staging of Glaucoma

open access: yesTranslational Vision Science & Technology, 2020
Purpose To develop and assess an automatic procedure for classifying and staging glaucomatous vascular damage based on optical coherence tomography angiography (OCTA) imaging.
Danilo Andrade De Jesus   +10 more
semanticscholar   +1 more source

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