Visibility Estimation Method Considering Disability Glare Using Contrast-Average Graph
نویسندگان
چکیده
منابع مشابه
Contrast sensitivity and disability glare in the middle years.
Spatial contrast sensitivity and disability glare were measured in a large sample (n = 90, 30 per decade) of middle-aged subjects, aged 21-50 years, who had clear media and were ophthalmologically normal. We found no significant differences in the contrast sensitivities as a function of age in the middle years for (1) gratings generated on a monitor; (2) interference gratings generated in the r...
متن کاملContrast sensitivity and glare disability after radial keratotomy and photorefractive keratectomy.
OBJECTIVES To study the effects of radial keratotomy (RK) and photorefractive keratectomy (PRK) on contrast sensitivity and glare disability using 4 different devices, and to correlate subjective complaints with obj ective scores of visual performance. METHODS Preoperative contrast sensitivity for 30 eyes undergoing RK and 30 eyes undergoing PRK was compared with contrast sensitivity at 1, 3,...
متن کاملContrast sensitivity and glare disability by halogen light after monofocal and multifocal lens implantation.
BACKGROUND Standard examination of contrast sensitivity under conditions of glare disability is performed with incandescent light. A new halogen glare test that simulates glare as seen with oncoming vehicle headlights was used to measure glare disability in patients implanted with multifocal and monofocal intraocular lenses (IOLs). METHODS 28 patients with an average age of 69 years (SD 12 ye...
متن کاملGlare disability, photostress recovery, and chromatic contrast: relation to macular pigment and serum lutein and zeaxanthin.
PURPOSE A large body of research has linked macular lutein and zeaxanthin to reduced risk of degenerative eye disease. The earliest published hypothesis for the role of the pigments was not based on chronic protection but immediate function. Recent data on macular pigment (MP) have shown that screening the foveal cones from short-wave light does, in fact, result in improvements in photostress r...
متن کاملUnderstanding disability glare: light scatter and retinal illuminance as predictors of sensitivity to contrast.
The presence of a bright light in the visual field has two main effects on the retinal image: reduced contrast and increased retinal illuminance because of scattered light; the latter can, under some conditions, lead to an improvement in retinal sensitivity. The combined effect remains poorly understood, particularly at low light levels. A psychophysical flicker-cancellation test was used to me...
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ژورنال
عنوان ژورنال: JOURNAL OF THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN
سال: 2019
ISSN: 0019-2341,1349-838X,2185-1506
DOI: 10.2150/jieij.180000573