Results 1 to 10 of about 903,769 (311)

Visual Discomfort and Depth-of-Field

i-Perception, 2013
Visual discomfort has been reported for certain visual stimuli and under particular viewing conditions, such as stereoscopic viewing. In stereoscopic viewing, visual discomfort can be caused by a conflict between accommodation and convergence cues that may specify different distances in depth.
O'Hare, Louise, Zhang, Tingting, Nefs, Harold T, Hibbard, Paul B   +3 more
core   +10 more sources

valuation of Subclinical Multiple Sclerosis Patients Using Pattern Visual Evoked Potentials and Visual Field Test [PDF]

Türk Oftalmoloji Dergisi, 2014
Objectives: The aim of this study was to evaluate subclinical multiple sclerosis (MS) patients with normal visual acuity using pattern visual evoked potentials (PVEP) test and central 30-2 threshold visual field (VF) test.
Sinan Bilgin, Süleyman Sami İlker, Ercüment Çavdar   +2 more
doaj   +2 more sources

Visual Field Coordinate Systems in Visual Neurophysiology [PDF]

Anais da Academia Brasileira de Ciências, 2023
In this work, algorithms have been developed to: 1. Compare visual field coordinate data, presented in different representation systems; 2. Determine the distance in degrees between any two points in the visual field; 3.
MARCELO GATTASS, RICARDO GATTASS
doaj   +1 more source

Visual Field Prediction

Ophthalmology Science, 2023
Purpose: Two novel deep learning methods using a convolutional neural network (CNN) and a recurrent neural network (RNN) have recently been developed to forecast future visual fields (VFs).
Mohammad Eslami, PhD, Julia A. Kim, BS, Miao Zhang, PhD, Michael V. Boland, MD, PhD, Mengyu Wang, PhD, Dolly S. Chang, MD, PhD, Tobias Elze, PhD   +6 more
doaj   +1 more source

Opposite response of blood vessels in the retina to 6° head-down tilt and long-duration microgravity

npj Microgravity, 2021
The Spaceflight Associated Neuro-ocular Syndrome (SANS), associated with the headward fluid shifts incurred in microgravity during long-duration missions, remains a high-priority health and performance risk for human space exploration.
Giovanni Taibbi, Millennia Young, Ruchi J. Vyas, Matthew C. Murray, Shiyin Lim, Marina Predovic, Nicole M. Jacobs, Kayleigh N. Askin, Sara S. Mason, Susana B. Zanello, Gianmarco Vizzeri, Corey A. Theriot, Patricia Parsons-Wingerter   +12 more
doaj   +1 more source

Reliability of Visual Field Index in Staging Glaucomatous Visual Field Damage [PDF]

Journal of Clinical and Diagnostic Research, 2018
Introduction: Standard automated perimetry is integral to the testing of visual function in glaucoma. Classification of glaucomatous visual field defects into different severity levels is important to guide effective management; but the available ...
Neetha Kuzhuppilly, Shilpa Patil, Shibi Dev, Aditya Deo   +3 more
doaj   +1 more source

Spectacles with highly aspherical lenslets for myopia control do not change visual sensitivity in automated static perimetry

Frontiers in Neuroscience, 2022
PurposeSpectacle lenses with arrays of lenslets have gained popularity in myopia control due to their high efficacy, low impact on visual performance, and non-invasiveness.
Yi Gao, Daniel P. Spiegel, Izzah Al Ilma Muzahid, Ee Woon Lim, Björn Drobe   +4 more
doaj   +1 more source

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

Inhibition of Return in the visual field [PDF]

, 2013
Inhibition of return (IOR) as an indicator of attentional control is characterized by an eccentricity effect, that is, the more peripheral visual field shows a stronger IOR magnitude relative to the perifoveal visual field.
Schill, Kerstin, Lei, Quan, Poeppel, Ernst, Pöppel, Ernst, Fang, Yuan, Strasburger, Hans, Bao, Yan, Tong, Yu   +7 more
core   +1 more source

Low-Frequency Local Field Potentials and Spikes in Primary Visual Cortex Convey Independent Visual Information [PDF]

, 2008
Local field potentials (LFPs) reflect subthreshold integrative processes that complement spike train measures. However, little is yet known about the differences between how LFPs and spikes encode rich naturalistic sensory stimuli.
Belitski, A., Logothetis, Nikos K., Magri, C., C. Magri, Montemurro, M.A., Logothetis, N, Panzeri, S, Logothetis, N.K., A. Belitski, Panzeri, Stefano, Murayama, Y., Gretton, A., Y. Murayama, Magri, C, Gretton, A, Murayama, Y, Montemurro, M, Murayama, Yusuke, M. A. Montemurro, N. K. Logothetis, Belitski, Andrei, Panzeri, S., Logothetis, N., Magri, Cesare, Montemurro, Marcelo A., A. Gretton, S. Panzeri, Gretton, Arthur, Belitski, A, Montemurro, M.   +29 more
core   +1 more source