Scaling laser disability glare functions with “K” factors to predict dazzle

2013 ◽  
Author(s):  
Leon N. McLin ◽  
Peter A. Smith ◽  
Laura E. Barnes ◽  
James R. Dykes ◽  
Thomas Kuyk ◽  
...  
Keyword(s):  
Disability Glare

Photophobia and disability glare in adult patients with Marfan syndrome: a case–control study

2021 ◽  
Author(s):  
Gunhild Falleth Sandvik ◽  
Svend Rand‐Hendriksen ◽  
Liv Drolsum ◽  
Olav Kristianslund
Keyword(s):  
Marfan Syndrome ◽  
Case Control Study ◽  
Case Control ◽  
Adult Patients ◽  
Disability Glare ◽  
Control Study

Night-time disability glare of constant-light LED traffic monitoring fill light

2021 ◽  
pp. 147715352098226
Author(s):  
X Cai ◽  
L Quan ◽  
J Wu ◽  
Y He
Keyword(s):  
Dynamic Range ◽  
Road Traffic ◽  
Reaction Times ◽  
High Dynamic Range ◽  
Luminance Contrast ◽  
Traffic Monitoring ◽  
Constant Light ◽  
Night Time ◽  
Disability Glare ◽  
Small Targets

Fill light, used to helps cameras capture road traffic conditions at night, can lead to serious visual consequences for drivers. Research on disability glare from LED fill light is scarce and therefore this study explored strategies for controlling disability glare of constant-light LED traffic monitoring fill light. The threshold increment was used as an index to evaluate disability glare. The effective disability glare area of LED traffic monitoring fill light was determined based on high dynamic range technology. According to visual efficacy theory, there is a relationship between disability glare conditions and reaction times. The influencing factors include background luminance, luminance contrast and fill light luminance. The results showed that disability glare was the most intense in a range of 20 m to 30 m in front of LED fill light. To reduce the effect of disability glare on drivers, luminance contrast between small targets and the road surface should be greater than 0.5. The fill light luminance should not be greater than 100,000 cd/m2.

Discomfort and Disability Glare from Halogen and HID Headlamp Systems

2002 ◽  
Author(s):  
John D. Bullough ◽  
Zengwei Fu ◽  
John Van Derlofske
Keyword(s):  
Disability Glare

Macular Pigment and Visual Performance in Glare: Benefits for Photostress Recovery, Disability Glare, and Visual Discomfort

2011 ◽  
Vol 52 (10) ◽  
pp. 7406 ◽  
Author(s):  
James M. Stringham ◽  
Paul V. Garcia ◽  
Peter A. Smith ◽  
Leon N. McLin ◽  
Brian K. Foutch
Keyword(s):  
Macular Pigment ◽  
Visual Performance ◽  
Visual Discomfort ◽  
Disability Glare

scholarly journals Research on Laser Dazzle Simulation Using ZEMAX Software and MATLAB

2020 ◽  
Vol 327 ◽  
pp. 02001
Author(s):  
Niu jin ◽  
Xu xiping ◽  
An zhiyong
Keyword(s):  
Ray Tracing ◽  
Programming Language ◽  
Optical Design ◽  
Optical Element ◽  
Analysis Model ◽  
Software Simulation ◽  
Scope Of Application ◽  
Disability Glare ◽  
Design Software ◽  
Calibration And Verification

The dazzling process of the laser has been digitally simulated. First, the optical design software (ZEMAX) is combined with the scientific programming language (MATLAB), then the ray tracing is used to build the scattering model of each optical element, and finally compared with a simpler model based on CIE disability glare data to achieve the calibration and verification of the software simulation effect. The results show that this advanced optical eye simulation technology can be used to study the laser glare efficiency, and it is possible to expand the scope of application of the analysis model.

Controlling Unwanted Sources of Threshold Change in Disability Glare Studies

1993 ◽  
Vol 70 (11) ◽  
pp. 976-981 ◽  
Author(s):  
RUMEI YUAN ◽  
DEAN YAGER ◽  
MONIKA GUETHLEIN ◽  
GARY OLIVER ◽  
NEERA KAPOOR ◽  
...  
Keyword(s):  
Disability Glare

Disability Glare and Hydrogel Lens Wear—Revisited

1989 ◽  
Vol 66 (11) ◽  
pp. 756-759 ◽  
Author(s):  
RAYMOND A. APPLEGATE ◽  
DANIEL H. JONES
Keyword(s):  
Disability Glare ◽  
Lens Wear

The Accuracy of Drivers' Judgments of the Effects of Headlight Glare on Their Own Visual Acuity

Perception ◽  
10.1068/p7814 ◽  
2014 ◽  
Vol 43 (11) ◽  
pp. 1203-1213 ◽  
Author(s):  
Ashley A Stafford Sewall ◽  
Stephanie A Whetsel Borzendowski ◽  
Richard A Tyrrell
Keyword(s):  
Visual Acuity ◽  
Older Drivers ◽  
Visual Performance ◽  
High Beam ◽  
Disability Glare ◽  
Landolt C

Drivers' judgments of the magnitude of disability glare caused by high-beam headlights may not match actual declines in visual performance. This study investigated younger and older drivers' beliefs about their own visual performance in the presence of headlight glare. Eleven older drivers and seventeen younger drivers judged the distance at which they would just be able to recognize the orientation of a white Landolt C if it were present adjacent to the headlamps of a stationary opposing vehicle at night. The younger participants were generally accurate in their estimates of the recognition distance of the stimulus, while older participants significantly overestimated both their own acuity and the effect of glare on their vision. From this study, we see that older drivers' judgments about the disabling effects of oncoming headlights may be systematically inaccurate. These misperceptions about headlight glare may help explain why drivers tend to underuse high beams.

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