Results 1 to 10 of about 7,877,089 (295)
Contrast sensitivity functions in autoencoders [PDF]
Journal of Vision, 2022 Three decades ago, Atick et al. suggested that human frequency sensitivity may emerge from the enhancement required for a more efficient analysis of retinal images. Here we reassess the relevance of low-level vision tasks in the explanation of the Contrast Sensitivity Functions (CSFs) in light of (1) the current trend of using artificial neural ...
Li, Qiang +3 more
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Comparison of Spaeth/Richman Contrast Sensitivity and Pelli-Robson Tests for Assessing Contrast Sensitivity in Patients with Glaucoma [PDF]
Journal of Ophthalmic & Vision ResearchPurpose: To determine the optimal cut-offs for Pelli-Robson (PR) and Spaeth/Richman contrast sensitivity (SPARCS) test scores for diagnosing glaucoma and to compare PR and SPARCS scores (total and individual quadrants) for assessing contrast sensitivity
Fatema Noble +8 more
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Contrast sensitivity and higher-order aberrations in Keratoconus subjects
Scientific Reports, 2021 This study analyzes the relationship between contrast-sensitivity and higher-order aberrations (HOA) in mild and subclinical-keratoconus in subjects with good visual-acuity (VA).
Einat Shneor +2 more
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Measuring contrast sensitivity
Vision Research, 2013 Contrast sensitivity defines the threshold between the visible and invisible, which has obvious significance for basic and clinical vision science. Fechner's 1860 review reported that threshold contrast is 1% for a remarkably wide range of targets and conditions.
Pelli, Denis G., Bex, Peter
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Assessment of central and peripheral contrast sensitivity in myopes using Spaeth/Richman contrast sensitivity [PDF]
Oman Journal of OphthalmologyBACKGROUND: 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
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Contrast Sensitivity and Glaucoma
Journal of Glaucoma, 2019 Spatial contrast sensitivity decline occurs in different types and stages of glaucoma. In this short review we discuss methods of assessing contrast sensitivity, the role of contrast sensitivity in the pathogenesis of glaucoma and its practical application in clinical practice.
Parul, Ichhpujani +2 more
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Effects of COVID-19 on the contrast sensitivity [PDF]
Brazilian Journal of Medical and Biological ResearchThere 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
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Development of Dynamic Contrast Sensitivity Chart [PDF]
British and Irish Orthoptic JournalBackground: 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
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Predicting contrast sensitivity functions with digital twins [PDF]
Scientific ReportsWe 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
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Visual acuity and contrast sensitivity of adult zebrafish
Frontiers in Zoology, 2012 Background The aim of this study was to evaluate the visual acuity of adult zebrafish by assessing the optokinetic reflex. Using a modified commercially available optomotor device (OptoMotry®), virtual three-dimensional gratings of variable spatial ...
Tappeiner Christoph +5 more
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