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Edward Trautman

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Publications by Edward Trautman (bibliography)

1993

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Trautman, Edward, Moskal, Patrick and Deaton, John (1993): Viewing Distance and Gaze Depression for Two Basic Structural Configurations. In: Proceedings of the Fifth International Conference on Human-Computer Interaction - Poster Sessions: Abridged Proceedings 1993. p. 118.

1992

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Trautman, Edward and Moskal, Patrick (1992): Display Viewing Distance Preferences for Two Structural Configurations. In: Proceedings of the Human Factors Society 36th Annual Meeting 1992. pp. 1479-1482.

“This investigation was conducted to more fully define the physical characteristics of individuals engaged in ordinary reading tasks. Eye to display viewing distances were measured for subjects reading from both a handheld configuration and from a structurally fixed configuration which approximated an electronic display. Estimates of each subject's resting point accommodation were also obtained and compared to observed viewing distances. Findings revealed significant differences between handheld and fixed configuration displays. Relationships between display viewing distance and resting point accommodation were not apparent. The resting posture of accommodation and seated posture are discussed as potential contributors to determination of viewing distance preferences.”

1990

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Trautman, Edward, Trautman, Mary Ann and Ellingstad, Vernon (1990): Maintenance of Correct Accommodations in Red, Green, and White Light Environments. In: D., Woods, and E., Roth, (eds.) Proceedings of the Human Factors Society 34th Annual Meeting 1990, Santa Monica, USA. pp. 1452-1455.

“This project explored the practical importance of ambient color as a concern for maintaining human visual accommodation. Correct accommodation and regression toward resting point accommodation were considered in broadband red, broadband green and white environments. The involvement of voluntary control of accommodation was manipulated by requiring extended performance on a difficult visual task across four light levels. Declining light levels and increased time-on-task were found to degrade the accuracy of accommodation, while manipulation of ambient color produced differences attributable to chromatic aberration. Differential abilities associated with red, green or white conditions were not apparent, as no statistically significant interactions were evidenced. Results of these and other related findings generally suggest that, allowing for chromatic aberration of the lens, the human eye maintains visual accommodation equally well across varied color conditions. Maintenance of correct accommodation and regression to the resting point of accommodation do not appear to be influenced by ambient color.”

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