Define Optical Coherence Tomography. means the treatment comprised of a non-contact, non-invasive high resolution imaging technique that provides cross-sectional tomographic images of the ocular microstructure through the thickness of the retina.
Question How well does the Gemini Pro vision-language model (VLM) perform in expert-level diagnostic and management tasks for macular diseases using optical coherence tomography (OCT) scans? Findings In this cross-sectional study including 50 expert-labeled OCT scans, the VLM showed ...
Meaning Foveal avascular zone enlargement may offer a noninvasive, cost-efficient, and rapid screen to identify preclinical Alzheimer disease. Abstract Importance Biomarker testing for asymptomatic, preclinical Alzheimer disease (AD) is invasive and expensive. Optical coherence tomographic angiography (OCTA)...
Reduced sensitivity is due to an increase in false negatives (FNs), meaning the algorithm fails to predict the specific class and suggests the pixel belongs to the background or to an incorrect foreground class. Analog, a reduced specificity is caused by an increase in false positives (FPs)....
Optical coherence tomography (OCT) has offered a greater understanding of coronary atherosclerosis with the ability to visualize plaque and quantify the thin, fibrous cap. Furthermore, OCT is able to traverse many of the limitations of angiography and intravascular ultrasound when imaging coronary stent...
10d)185. Specifically, metasurfaces integrated with fibers are used as optical coherence tomography (OCT) catheters. Standard commercial catheters such as the graded-index (GRIN) lens-prism configuration186 or angle-polished ball lens187 have asymmetrical curvatures in the transverse plane of the ...
Looking for online definition of optical aberration in the Medical Dictionary? optical aberration explanation free. What is optical aberration? Meaning of optical aberration medical term. What does optical aberration mean?
Optical coherence tomography is a versatile imaging test in ophthalmology with high axial resolution, providing detailed cross-sectional images of tissues. It is particularly useful for assessing the macular region and retinal pathologies, offering a promising tool for early detection of glaucomatous change...
QuestionCan an investigational ultra-widefield optical coherence tomography (UWF-OCT) device image the whole retina without scleral depression in retinopathy of prematurity examinations? FindingsIn this cross-sectional study that included 507 examinations performed on 83 premature neonates, ...
Study Workflow View LargeDownload FFPE indicates formalin fixation and paraffin embedding; FSA, frozen section analysis; H&E, hematoxylin and eosin; OR, operating room; WF-OCT, wide-field optical coherence tomography. Figure 2. Representative Comparison of Images for Patient A View LargeDownload ...