Results 111 to 120 of about 2,920,675 (338)

Adaptive optics at the WHT

New Astronomy Reviews, 2001
The WHT is unusually well-placed for exploitation of adaptive-optics (AO) technology. The site seeing is excellent (median 0.7 arcsec), dome seeing is negligible, and preliminary studies indicate that most of the atmospheric seeing originates in a well-defined layer at low altitude, which bodes well for future laser-guide-star AO. The Durham group have
openaire   +3 more sources

Actionable Wearables Data for the Neurology Clinic: A Proof‐of‐Concept Tool

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Wearable devices can monitor key health and fitness domains. In multiple sclerosis (MS), monitoring step count and sleep is feasible, valid, and offers a holistic glimpse of patient functioning and worsening. However, data generated from wearables are typically unavailable at the point of care.
Nicolette Miller, Ebenezer Chinedu‐Eneh, Jaeleene Wijangco, Kyra Henderson, Nikki Sisodia, Narender Sara, Jennifer Reihm, Shane Poole, Jim Rowson, Chu‐Yueh Guo, Jeffrey M. Gelfand, Valerie J. Block, Riley Bove   +12 more
wiley   +1 more source

A Single Far-Field Deep Learning Adaptive Optics System Based on Four-Quadrant Discrete Phase Modulation

Sensors, 2020
In adaptive optics (AO), multiple different incident wavefronts correspond to a same far-field intensity distribution, which leads to a many-to-one mapping.
Xuejing Qiu, Tao Cheng, Lingxi Kong, Shuai Wang, Bing Xu   +4 more
doaj   +1 more source

The MSA Atrophy Index (MSA‐AI): An Imaging Marker for Diagnosis and Clinical Progression in Multiple System Atrophy

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Reliable biomarkers are essential for tracking disease progression and advancing treatments for multiple system atrophy (MSA). In this study, we propose the MSA Atrophy Index (MSA‐AI), a novel composite volumetric measure to distinguish MSA from related disorders and monitor disease progression. Methods Seventeen participants with an
Paula Trujillo, Kilian Hett, Amy Cooper, Amy E. Brown, Jessica Iregui, Manus J. Donahue, M. Erik Landman, Italo Biaggioni, Margaret Bradbury, Cynthia Wong, David Stamler, Daniel O. Claassen   +11 more
wiley   +1 more source

BCS1L‐Associated Disease: 5′‐UTR Variant Shifts the Phenotype Towards Axonal Neuropathy

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objectives To investigate the consequences of a pathogenic missense variant (c.838C>T; p.L280F) and a 5′‐UTR regulatory variant (c.‐122G>T) in BCS1L on disease pathogenesis and to understand how regulatory variants influence disease severity and clinical presentation.
Rotem Orbach, Nunziata Maio, Russell J. Butterfield, A. Reghan Foley, Sarah Silverstein, Yan Li, Katherine Chao, Tanya J. Lehky, Abigail Potticary, Tracey A. Rouault, Sandra Donkervoort, Carsten G. Bönnemann   +11 more
wiley   +1 more source

IsoSense: frequency enhanced sensorless adaptive optics through structured illumination

bioRxiv, 2018
We present IsoSense, a wavefront sensing method that mitigates sample dependency in image based sensorless adaptive optics applications in microscopy. Our method employs structured illumination to create additional, high spatial frequencies in the image ...
Mantas Žurauskas, I. Dobbie, R. Parton, M. Phillips, Antonia Göhler, Ilan Davis, M. Booth   +6 more
semanticscholar   +1 more source

Continuous Monitoring of Bladder Dysfunction in People With Multiple Sclerosis: Wearables for the Bladder

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background Bladder dysfunction affects over 85% of people with multiple sclerosis (PwMS), yet current assessment methods are limited to periodic in‐clinic evaluations or subjective patient reports, failing to capture real‐world symptom fluctuations.
Valerie J. Block, Shane Poole, Leah McIntyre, Nikki Sisodia, Chelyn Park, Gabby Joseph, Michelle E. Van Kuiken, Anne M. Suskind, Riley Bove   +8 more
wiley   +1 more source

Adaptive optics imaging of the retina

Indian Journal of Ophthalmology, 2014
Adaptive optics is a relatively new tool that is available to ophthalmologists for study of cellular level details. In addition to the axial resolution provided by the spectral-domain optical coherence tomography, adaptive optics provides an excellent lateral resolution, enabling visualization of the photoreceptors, blood vessels and details of the ...
Rajani Battu, Anjani Khanna, Supriya Dabir, Anupama Kiran Kumar, Abhijit Sinha Roy   +4 more
openaire   +3 more sources

Remaining Burden of Spinal Muscular Atrophy Among Treated Patients: A Survey of Patients and Caregivers

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Spinal muscular atrophy (SMA) significantly impacts motor function. This study aimed to assess the persistent burden and unmet needs among currently treated patients with SMA and their caregivers. Methods Two complementary web‐based surveys were distributed in August 2024 among patients with SMA and their caregivers.
Julie A. Parsons, Natalie Land, Melissa Culhane Maravic, Claire Cagle, Amal Jamaleddine, Hemal Shah, Thomas Brown, Christabella Cherubino, Mouhamed Gueye   +8 more
wiley   +1 more source

Performance verification of adaptive optics for satellite-to-ground coherent optical communications at large zenith angle.

Optics Express, 2018
Although there is an urgent demand, it is still a tremendous challenge to use the coherent optical communication technology to the satellite-to-ground data transmission system especially at large zenith angle due to the influence of atmospheric ...
Mo Chen, Chao Liu, Daoman Rui, H. Xian
semanticscholar   +1 more source