Results 31 to 40 of about 157,629 (281)

Differential intensity contrast swept source optical coherence tomography for human retinal vasculature visualization [PDF]

open access: yes, 2012
We demonstrate an intensity-based motion sensitive method, called differential logarithmic intensity variance (DLOGIV), for 3D microvasculature imaging and foveal avascular zone (FAZ) visualization in the in vivo human retina using swept source optical ...
Fraser, Scott, Motaghiannezam, Reza
core   +1 more source

Master slave en-face OCT/SLO [PDF]

open access: yes, 2015
Master Slave optical coherence tomography (MS-OCT) is an OCT method that does not require resampling of data and can be used to deliver en-face images from several depths simultaneously.
Biedermann   +37 more
core   +1 more source

Retinal microvascular attenuation in mental cognitive impairment and Alzheimer's disease by optical coherence tomography angiography.

open access: yesActa ophthalmologica, 2020
PURPOSE To explore regional variation of the macular microvasculature in patients with mild cognitive impairment (MCI) and Alzheimer's disease (AD), also to detect the association between retinal macular microvascular parameters and the progress of ...
Jing Wu   +5 more
semanticscholar   +1 more source

Long-term rearrangement of retinal structures in a novel mutation of X-linked retinoschisis [PDF]

open access: yes, 2017
The aim of the present study was to report a novel mutation in the retinoschisin 1 (RS1) gene in a Caucasian family affected by X-linked juvenile retinoschisis (XLRS) and to describe the long-term modification of retinal structure.
Colavito, Davide   +7 more
core   +1 more source

Optical Coherence Tomography Angiography in Diabetes and Diabetic Retinopathy

open access: yesJournal of Clinical Medicine, 2020
Diabetic retinopathy (DR) is a common complication of diabetes mellitus that disrupts the retinal microvasculature and is a leading cause of vision loss globally.
Jacqueline Chua   +10 more
semanticscholar   +1 more source

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

Quantification of atherosclerotic plaque volume in coronary arteries by computed tomographic angiography in subjects with and without diabetes. [PDF]

open access: yes, 2020
BackgroundDiabetes mellitus (DM) is considered a cardiovascular risk factor. The aim of this study was to analyze the prevalence and volume of coronary artery plaque in patients with diabetes mellitus (DM) vs. those without DM.MethodsThis study recruited
An, Yun-Qiang   +6 more
core   +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  

Mobility and transverse flow visualization using phase variance contrast with spectral domain optical coherence tomography [PDF]

open access: yes, 2007
Phase variance-based motion contrast is demonstrated using two phase analysis methods in a spectral domain optical coherence tomography system. Mobility contrast is demonstrated for an intensity matched Intralipid solution placed without flow within ...
Fingler, Jeff   +3 more
core   +1 more source

Aqueous Humor Outflow Structure and Function Imaging At the Bench and Bedside: A Review. [PDF]

open access: yes, 2016
Anterior segment glaucoma clinical care and research has recently gained new focus because of novel imaging modalities and the advent of angle-based surgical treatments. Traditional investigation drawn to the trabecular meshwork now emphasizes the entire
Huang, Alex S   +2 more
core   +1 more source

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