Results 21 to 30 of about 13,618,665 (400)

Slowed Saccadic Reaction Times in Seemingly Normal Parts of Glaucomatous Visual Fields

Frontiers in Medicine, 2021
Purpose: In eye movement perimetry, peripheral stimuli are confirmed by goal-directed eye movements toward the stimulus. The saccadic reaction time (SRT) is regarded as an index of visual field responsiveness, whereas in standard automated perimetry (SAP)
Gijs Thepass, Gijs Thepass, Hans G. Lemij, Koenraad A. Vermeer, Johannes van der Steen, Johannes van der Steen, Johan J. M. Pel   +6 more
doaj   +1 more source

Evaluation of intrafraction couch shifts for proton treatment delivery in head‐and‐neck cancer patients: Toward optimal imaging frequency

Journal of Applied Clinical Medical Physics, Volume 23, Issue 12, December 2022., 2022
Abstract Purpose Treatment planning for head‐and‐neck (H&N) cancer, in particular oropharynx, nasopharynx, and paranasal sinus cases, at our center requires noncoplanar proton beams due to the complexity of the anatomy and target location. Targeting accuracy for all beams is carefully evaluated by using image guidance before delivering proton beam ...
Nrusingh C. Biswal, Dario B. Rodrigues, Weiguang Yao, Jason K. Molitoris, Matthew E. Witek, Shifeng Chen   +5 more
wiley   +1 more source

Correlation of pattern reversal visual evoked potential parameters with the pattern standard deviation in primary open angle glaucoma [PDF]

International Journal of Ophthalmology, 2014
AIM:To evaluate whether glaucomatous visual field defect particularly the pattern standard deviation (PSD) of Humphrey visual field could be associated with visual evoked potential (VEP) parameters of patients having primary open angle glaucoma (POAG ...
Ruchi Kothari, Pradeep Bokariya, Ramji Singh, Smita Singh, Purvasha Narang   +4 more
doaj   +1 more source

Vision and Visuomotor Performance Following Acute Ischemic Stroke

Frontiers in Neurology, 2022
BackgroundAs measurable sensory and motor deficits are key to the diagnosis of stroke, we investigated the value of objective tablet based vision and visuomotor capacity assessment in acute mild-moderate ischemic stroke (AIS) patients.MethodsSixty AIS ...
Chamini Wijesundera, Chamini Wijesundera, Sheila G. Crewther, Sheila G. Crewther, Tissa Wijeratne, Tissa Wijeratne, Algis J. Vingrys   +6 more
doaj   +1 more source

Long-term recurrent convolutional networks for visual recognition and description [PDF]

Computer Vision and Pattern Recognition, 2014
Models based on deep convolutional networks have dominated recent image interpretation tasks; we investigate whether models which are also recurrent, or “temporally deep”, are effective for tasks involving sequences, visual and otherwise.
Jeff Donahue, Lisa Anne Hendricks, Marcus Rohrbach, Subhashini Venugopalan, S. Guadarrama, Kate Saenko, Trevor Darrell   +6 more
semanticscholar   +1 more source

A Survey of Visual Transformers [PDF]

IEEE Transactions on Neural Networks and Learning Systems, 2021
Transformer, an attention-based encoder–decoder model, has already revolutionized the field of natural language processing (NLP). Inspired by such significant achievements, some pioneering works have recently been done on employing Transformer-liked ...
Yang Liu, Yao Zhang, Yixin Wang, Feng Hou, Jin Yuan, Jiang Tian, Yang Zhang, Zhongchao Shi, Jianping Fan, Zhiqiang He   +9 more
semanticscholar   +1 more source

Prevalence and spatial concordance of visual field deterioration in fellow eyes of glaucoma patients. [PDF]

, 2014
PurposeTo examine the prevalence of visual field deterioration in contralateral eyes of patients with worsening open-angle glaucoma and to evaluate the spatial concordance of visual field deterioration between both eyes.MethodsOne hundred sixteen open ...
Caprioli, Joseph, Kim, Min Kyo, Lee, Jun Mo, Morales, Esteban   +3 more
core   +1 more source

Clinical commissioning of an adaptive radiotherapy platform: Results and recommendations

Journal of Applied Clinical Medical Physics, Volume 23, Issue 12, December 2022., 2022
Abstract Online adaptive radiotherapy platforms present a unique challenge for commissioning as guidance is lacking and specialized adaptive equipment, such as deformable phantoms, are rare. We designed a novel adaptive commissioning process consisting of end‐to‐end tests using standard clinical resources.
Kelly Kisling, Timothy D. Keiper, Daniela Branco, Grace Gwe‐Ya Kim, Kevin L Moore, Xenia Ray   +5 more
wiley   +1 more source

Evaluation of refractive correction for standard automated perimetry in eyes wearing multifocal contact lenses [PDF]

International Journal of Ophthalmology, 2017
AIM: To evaluate the refractive correction for standard automated perimetry (SAP) in eyes with refractive multifocal contact lenses (CL) in healthy young participants. METHODS: Twenty-nine eyes of 29 participants were included.
Kazunori Hirasawa, Hikaru Ito, Yukari Ohori, Yui Takano, Nobuyuki Shoji   +4 more
doaj   +1 more source

Interventions for visual field defects in people with stroke.

Cochrane Database of Systematic Reviews, 2019
BACKGROUND Visual field defects are estimated to affect 20% to 57% of people who have had a stroke. Visual field defects can affect functional ability in activities of daily living (commonly affecting mobility, reading and driving), quality of life ...
A. Pollock, C. Hazelton, F. Rowe, S. Jonuscheit, Ashleigh Kernohan, Jayne Angilley, Clair A Henderson, P. Langhorne, P. Campbell   +8 more
semanticscholar   +1 more source