Results 1 to 10 of about 8,469,152 (382)

Octopaminergic modulation of contrast sensitivity [PDF]

open access: yesFrontiers in Integrative Neuroscience, 2012
Sensory systems adapt to prolonged stimulation by decreasing their response to prevailing stimulus conditions. Whereas visual motion adaptation has traditionally been studied in immobilized animals, recent work indicates that the animal’s behavioral ...
Roel ede Haan   +2 more
doaj   +4 more sources

The new numbers contrast sensitivity chart for contrast sensitivity measurement

open access: yesJournal of Optometry, 2011
Purpose: To develop and assess the agreement between the 3 newly made numbers contrast sensitivity charts and the MARS contrast sensitivity chart (MARS) in contrast sensitivity measurement.
Bharkbhum Khambhiphant   +2 more
doaj   +3 more sources

Effects of COVID-19 on the contrast sensitivity [PDF]

open access: yesBrazilian Journal of Medical and Biological Research
There are significant gaps in understanding the extent of the damage caused by COVID-19, with few publications examining its link to contrast sensitivity function (CSF).
G.M. Silva   +5 more
doaj   +2 more sources

Assessment of central and peripheral contrast sensitivity in myopes using Spaeth/Richman contrast sensitivity

open access: yesOman Journal of Ophthalmology
BACKGROUND: Assessing central and peripheral contrast sensitivity (CS) in myopic patients with varying degrees of refractive error using Spaeth/Richman contrast sensitivity test (SPARCS) and compared it with emmetropic individuals. MATERIALS AND METHODS:
Parul Ichhpujani   +3 more
doaj   +2 more sources

Development of Dynamic Contrast Sensitivity Chart [PDF]

open access: yesBritish and Irish Orthoptic Journal
Background: Dynamic visual acuity (DVA) is a complex visual function that requires the observer to detect a moving target, to visually acquire it by eye movements, and to resolve critical details contained in it, in a relatively brief time exposure ...
Nikhita Jacob   +2 more
doaj   +2 more sources

Predicting contrast sensitivity functions with digital twins [PDF]

open access: yesScientific Reports
We developed and validated digital twins (DTs) for contrast sensitivity function (CSF) across 12 prediction tasks using a data-driven, generative model approach based on a hierarchical Bayesian model (HBM).
Yukai Zhao   +3 more
doaj   +2 more sources

The importance of contrast sensitivity testing in children [PDF]

open access: yesBritish and Irish Orthoptic Journal, 2014
Aim:  To discuss the information contrast sensitivity (CS) testing can provide over visual acuity testing, and review the literature relating to CS deficits in children to determine whether there is an optimum test available.
Ashli F. Milling   +2 more
doaj   +2 more sources

Evaluating the Use of Contrast Sensitivity Tests By Orthoptists in the UK [PDF]

open access: yesBritish and Irish Orthoptic Journal
Introduction: The importance of the use of contrast sensitivity (CS) tests in orthoptic practice is well established. However, despite the clinical relevance the implementation within clinical care is known to be variable. There are no known studies that
Lowri Jones   +2 more
doaj   +2 more sources

Evaluation of contrast sensitivity in visually impaired individuals using K-CS test. A novel smartphone-based contrast sensitivity test-Design and validation. [PDF]

open access: yesPLoS ONE
BackgroundTo describe the development and investigate the accuracy of a novel smartphone-based Contrast Sensitivity (CS) application, the K-CS test.MethodsA total of 67 visually impaired and 50 normal participants were examined monocularly using the ...
Vasileios Karampatakis   +4 more
doaj   +4 more sources

Effect of astigmatism and spherical equivalent correction on contrast sensitivity [PDF]

open access: yesInternational Journal of Ophthalmology
AIM: To investigate the effect of astigmatism and spherical equivalent (SE) correction on contrast sensitivity (CS). METHODS: In this cross-sectional study, 103 visually normal subjects aged 18 to 36y with bilateral regular astigmatism in range of 1.00 ...
Maryam Saffarizadeh   +3 more
doaj   +2 more sources

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