Results 31 to 40 of about 14,068 (210)

High dynamic range optical coherence tomography angiography (HDR-OCTA)

open access: yesBiomedical Optics Express, 2019
The dynamic range of current optical coherence tomography (OCT) angiography (OCTA) images is limited by the fixed scanning intervals. High speed OCT devices introduce the possibility of extending the flow signal dynamic range. In this study, we created a novel scanning pattern for achieving high dynamic range (HDR)-OCTA with a superior scanning ...
Xiang Wei   +5 more
openaire   +2 more sources

Evaluation of microvascular network with optical coherence tomography angiography (OCTA) in branch retinal vein occlusion (BRVO). [PDF]

open access: yesBMC Ophthalmol, 2020
Abstract Purpose: To evaluate changes of microvascular network of macular and peripapillary regions and to provide a quantitative measurement of foveal avascular zone (FAZ) in unilateral BRVO patients. Methods: Forty-seven unilateral BRVO patients were enrolled.
Chen L, Yuan M, Sun L, Wang Y, Chen Y.
europepmc   +5 more sources

Optical coherence tomography angiography features of acute macular neuroretinopathy in dengue fever

open access: yesIndian Journal of Ophthalmology, 2017
A 39-year-old female with dengue fever presented with decreased vision in both eyes. Visual acuity was 20/200 and 20/80 in the right eye (OD) and left eye (OS), respectively.
Kanika Aggarwal   +4 more
doaj   +1 more source

Radiation Maculopathy After Proton Beam Therapy for Uveal Melanoma: Optical Coherence Tomography Angiography Alterations Influencing Visual Acuity. [PDF]

open access: yes, 2017
To analyze microvascular and structural changes in radiation maculopathy and their influence on visual acuity (VA), using optical coherence tomography (OCT) and OCT angiography (OCTA).
Daruich, A., Matet, A., Zografos, L.
core   +1 more source

Imaging microvascular changes in nonocular oncological clinical applications by optical coherence tomography angiography: a literature review

open access: yesRadiology and Oncology, 2023
Optical coherence tomography angiography (OCTA) is an emerging imaging modality that enables noninvasive visualization and analysis of tumor vasculature.
Hren Rok   +3 more
doaj   +1 more source

En-face OCT and OCT angiography analysis of macular choroidal macrovessel

open access: yesAmerican Journal of Ophthalmology Case Reports, 2021
Purpose: To analyze en-face optical coherence tomography (OCT) and decorrelation signals on OCT angiography (OCTA) in two cases of macular choroidal macrovessel (MCM). Observations: Case report.
Carlos A. Moreira-Neto   +4 more
doaj   +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

OCT angiography in the management of choroidal neovascular membrane secondary to Sorsby fundus dystrophy [PDF]

open access: yes, 2016
We describe the management of a woman aged 52 years with molecularly confirmed Sorsby fundus dystrophy, who presented with acute visual deterioration in her right eye.
Kasilian, M   +3 more
core   +1 more source

Optical coherence tomography angiography (OCTA): A review of the current literature

open access: yes, 2023
OCTA is an imaging modality used in the assessment of the retinal vasculature. It operates on the principle of coherence tomography used in standard OCT with the addition of delineating the retinal vascular. This provides a modern non-invasive retinal vascular imaging method compared to conventional dye-based imaging.
Ahmed Javed   +8 more
openaire   +1 more source

Glaucomatous vertical vessel density asymmetry of the temporal raphe detected with optical coherence tomography angiography. [PDF]

open access: yes, 2020
Changes in retinal vasculature and ocular circulation may play an important role in the glaucoma development and progression. We evaluated the vertical asymmetry across the temporal raphe of the deep retinal layer vessel density, using swept-source ...
Araie, Makoto   +6 more
core  

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