Results 261 to 270 of about 18,941 (313)
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Optometry and Vision Science, 2013
ABSTRACT Purpose Disability glare induced by headlights of oncoming cars has been associated with reduced quality of vision. This study aimed at developing the Rostock Glare Perimeter to quantify dysphotopsia effects under simulated realistic conditions.
Dagmar, Meikies +4 more
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ABSTRACT Purpose Disability glare induced by headlights of oncoming cars has been associated with reduced quality of vision. This study aimed at developing the Rostock Glare Perimeter to quantify dysphotopsia effects under simulated realistic conditions.
Dagmar, Meikies +4 more
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Vision Research, 1965
Abstract To describe the effect of glare on visibility Holladay (1927) and Stiles (1929) used an equivalent background luminance β given by the formula β = B +kEθn in which B is the actual background luminance, E is the glare illumination at the observer's eye, and θ is the angle of the glare source from his line of sight. The use of the formula is
A J, Fisher, A W, Christie
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Abstract To describe the effect of glare on visibility Holladay (1927) and Stiles (1929) used an equivalent background luminance β given by the formula β = B +kEθn in which B is the actual background luminance, E is the glare illumination at the observer's eye, and θ is the angle of the glare source from his line of sight. The use of the formula is
A J, Fisher, A W, Christie
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Effect of Sunglasses on Visual Detection under Conditions of Glare and No Glare
Perceptual and Motor Skills, 1963This experiment tested the effect of sunglass usage on visual detection efficiency under conditions of glare and no glare. Ss were given the task of determining the presence of a spot on a field of moderate illumination in a dark room and in the same room with the addition of glare produced by two flood lights.
A C, RAPHELSON, L C, KIRCHNER
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Transactions of the American Institute of Electrical Engineers, 1922
The object of this paper is to show what factors must be controlled in order to produce satisfactory illumination without glare. The relative importance of brightness of light sources, their candle power, position in the field of view and contrast with the background are discussed.
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The object of this paper is to show what factors must be controlled in order to produce satisfactory illumination without glare. The relative importance of brightness of light sources, their candle power, position in the field of view and contrast with the background are discussed.
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The Glare Effect and the Perception of Luminosity
Perception, 2001The impression of self-luminosity in the glare effect was studied in two experiments. In experiment 1 the target (CS) was set to the highest luminance of the field and subjects were asked to adjust the luminance ramp of the inducers (R) against five backgrounds (B) to the point where they began to see CS as self-luminous.
ZAVAGNO D, CAPUTO, GIOVANNI BATTISTA
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Vision Research, 1968
Abstract The re-adaptation times of observers subjected to white and yellow glare of equal luminance have been measured. Some eighty-three observers took part within an age range 17–66 years. There is found to be a positive correlation between re-adaptation time and age in both illuminants. There is some evidence to suggest that, particularly for the
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Abstract The re-adaptation times of observers subjected to white and yellow glare of equal luminance have been measured. Some eighty-three observers took part within an age range 17–66 years. There is found to be a positive correlation between re-adaptation time and age in both illuminants. There is some evidence to suggest that, particularly for the
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Archives of Ophthalmology, 1982
To the Editor. —In the article entitled "A New Glare Tester for Clinical Testing: Results Comparing Normal Subjects and Variously Corrected Aphakic Patients" by LeClaire et al published in the JanuaryArchives(1982;100:153-158), attention should be directed to three corrections.
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To the Editor. —In the article entitled "A New Glare Tester for Clinical Testing: Results Comparing Normal Subjects and Variously Corrected Aphakic Patients" by LeClaire et al published in the JanuaryArchives(1982;100:153-158), attention should be directed to three corrections.
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The integration of the glare effects from a number of glare sources
Proceedings of the Physical Society, 1936The effect of a number of glare sources on indirect vision, 5° above the fovea, is shown to be equal to the sum of their separate effects, the criterion of equality being that the equivalent background brightness of all the sources measured together is the same as the sum of the equivalent background brightnesses measured separately.
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2014
Building facades comprise the first layer between the occupant and the outside world. They are largely responsible for conserving building energy, encouraging occupant comfort, providing views, and allowing for the expression of design aesthetics.
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Building facades comprise the first layer between the occupant and the outside world. They are largely responsible for conserving building energy, encouraging occupant comfort, providing views, and allowing for the expression of design aesthetics.
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Comparing performance of discomfort glare metrics in high and low adaptation levels
Building and Environment, 2021Athanasios Tzempelikos +2 more
exaly