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Evaluation of the effect of tinted night driving glasses on contrast sensitivity with and without glare
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- Thaung, Jörgen, 1965 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för klinisk neurovetenskap, Sektionen för oftalmologi,Institute of Clinical Neurosciences, Section of Ophtalmology
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- Popovic, Zoran, 1966 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för klinisk neurovetenskap, Sektionen för oftalmologi,Institute of Clinical Neurosciences, Section of Ophtalmology
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- Abrahamsson, Maths, 1953 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för klinisk neurovetenskap, Sektionen för oftalmologi,Institute of Clinical Neurosciences, Section of Ophtalmology
- (creator_code:org_t)
- 2001
- 2001
- English.
- In: Journal of Vision. ; 1:3, s. 456-456
- Conference paper (other academic/artistic)
Abstract
Subject headings
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- Purpose: To evaluate claims of contrast improvement by tinted night driving glasses (TNDG) during mesonic luminance conditions. Methods: Contrast sensitivity functions (CSF) were measured in two trained myopic subjects, aged 20 and 34 years, with no known eye disease and normal foveal fusion. Both were fully corrected and their accommodative abilities were 13D and 8D, respectively. CSF with and without glare, induced by a Fostec DCR® II Light with four fiberoptical branches, was measured with the Morphonome® 4.2.4 image psychophysics software at two spatial frequencies (3 and 23 cod). All measurements were done with the subjects wearing prescribed glasses, TNDG (Zeiss Clarlet 1.5 GOLD ET 015), and ophthalmic test lenses, with TNDG and test lenses beeing of equal dioptric value. Results: TNDG were found to perform better than prescribed glasses, especially subjectively. CSF was improved both with and without the presence of glare sources. However, no significant difference was found between TNDG and test lenses, neither with nor without glare. Conclusion: CSF was not significantly improved by tinted night driving glasses. Subjectively, the TNDG were prefered by both test subjects. Our findings indicate that at the higher spatial frequency the major improvements are due to the correction of night myopia.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Neurovetenskaper (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Neurosciences (hsv//eng)
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Keyword
- glare
- tinted glasses
- contrast sensitivity
- night driving
- mesopic
- psychophysics
Publication and Content Type
- vet (subject category)
- kon (subject category)
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