Results 11 to 20 of about 4,603,420 (293)
Contrast sensitivity of the human peripheral retina [PDF]
Vision Research, 1969 Abstract Threshold contrasts were measured psychophysically for a sinusoidal grating target centered 12° in the peripheral retina. The relationship between contrast sensitivity, the reciprocal of the threshold contrast, and the spatial frequency of the gratings can be adequately described by the difference of two Gaussian functions. The parameters of
Daitch, J. M., Green, Daniel G.
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Peripheral cone contrast sensitivity in glaucoma [PDF]
Vision Research, 1995 Colour vision tests for detection of glaucomatous damage frequently suffer from two problems: most tests are confined to foveal vision, whereas defects tend to appear first extrafoveally; and the modulation directions in colour space are not optimal. This paper deals with peripheral testing à la Yu, Falcao-Reis, Spileers and Arden [(1991) Investigative
Felius, Joost +2 more
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Normative database for Spaeth Richman contrast sensitivity test for Indian eyes
Indian Journal of Ophthalmology, 2022 Purpose: To ascertain normative database of contrast sensitivity (CS) using Spaeth/Richman CS test (SPARCS) in the Indian population. Methods: This cross-sectional study enrolled 200 healthy individuals, and CS was tested in both eyes of each participant
Sonia Bariya +3 more
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Oftalʹmologiâ, 2021 Purpose: to study the effect of bifocal soft contact lens (BSCL) with an ADD of 4 diopters on peripheral refraction (PR), optical and ergonomic eye parameters in children with myopia.Patients and methods.
E. P. Tarutta +2 more
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Peripheral spatial contrast sensitivity of the eyes
Russian Pediatric Ophthalmology, 2023 AIM: To develop a method for evaluating peripheral spatial contrast sensitivity and to use it in comparative studies of peripheral spatial contrast sensitivity in children with myopia under correction conditions with glasses with a highly aspherical lenslet (HAL) and single vision lenses (SVL).
Elena P. Tarutta +3 more
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Frontiers in Neuroscience, 2022 PurposeCompare peripheral contrast sensitivity functions (CSF) between myopes and emmetropes to reveal potential myogenic risks during emmetropization.Materials and methodsThis observational, cross-sectional, non-consecutive case study included data from
Zixuan Xu +14 more
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Loss of visual function in diabetes mellitus
Journal of Clinical Ophthalmology and Research, 2021 Background: Diabetes mellitus being a well-known cause for peripheral neuropathy, this study aims to detect visual pathway dysfunction in diabetics using contrast sensitivity as a subjective measure and visual-evoked potential (VEP) as an objective ...
Sanaa Mohammed Konnakkodan +2 more
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Attentional modulation of temporal contrast sensitivity in human vision. [PDF]
PLoS ONE, 2011 Recent psychophysical studies have shown that attention can alter contrast sensitivities for temporally broadband stimuli such as flashed gratings. The present study examined the effect of attention on the contrast sensitivity for temporally narrowband ...
Isamu Motoyoshi
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The Effect of Attentional Cueing and Spatial Uncertainty in Visual Field Testing. [PDF]
PLoS ONE, 2016 PURPOSE:To determine the effect of reducing spatial uncertainty by attentional cueing on contrast sensitivity at a range of spatial locations and with different stimulus sizes.
Jack Phu +2 more
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Acta Clinica Croatica, 2023 Acute optic neuritis is often associated with multiple sclerosis. It is considered to be the most common ocular symptom of multiple sclerosis. In addition to acute optic neuritis, in patients with multiple sclerosis, subclinical optic neuritis is also ...
Tomislav Vidović +4 more
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