Investigating the dynamic accommodative characteristics of the aging eye with the control of the intensity and chromaticity of light

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

The age-related accommodation loss of the human eye impairs aging people's life. A study was conducted to preliminarily investigate the dynamic accommodative characteristics of the eye for different age groups under various intensities and chromaticities of light. 4 younger (20-29 years of age), and 4 older (60-69 years of age) participants were recruited, and the accommodation of their eyes was recorded and analyzed dynamically via the modified Shin-Nippon SRW-5000 autorefractor. The laboratory experiment was designed to assess accommodation in a simulated condition where the participant needed to alternate from viewing outside to reading the dashboard with signals of different light intensities (2 levels: 100 and 20 cd/m2) and light chromaticities (2 levels: red vs. blue). The results of the study indicated that aging, light intensity, and light chromaticity all had an impact on the dynamic accommodative characteristics of the eye. The implications of the study are discussed.

Original languageEnglish (US)
Title of host publicationProceedings of the Human Factors and Ergonomics Society
Pages35-39
Number of pages5
Volume1
StatePublished - 2007
Externally publishedYes
Event51st Annual Meeting of the Human Factors and Ergonomics Society, HFES 2007 - Baltimore, MD, United States
Duration: Oct 1 2007Oct 5 2007

Other

Other51st Annual Meeting of the Human Factors and Ergonomics Society, HFES 2007
CountryUnited States
CityBaltimore, MD
Period10/1/0710/5/07

Fingerprint

accommodation
Aging of materials
laboratory experiment
age group
Experiments

ASJC Scopus subject areas

  • Human Factors and Ergonomics

Cite this

Investigating the dynamic accommodative characteristics of the aging eye with the control of the intensity and chromaticity of light. / Shi, Wen; Lockhart, Thurmon.

Proceedings of the Human Factors and Ergonomics Society. Vol. 1 2007. p. 35-39.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Shi, W & Lockhart, T 2007, Investigating the dynamic accommodative characteristics of the aging eye with the control of the intensity and chromaticity of light. in Proceedings of the Human Factors and Ergonomics Society. vol. 1, pp. 35-39, 51st Annual Meeting of the Human Factors and Ergonomics Society, HFES 2007, Baltimore, MD, United States, 10/1/07.
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