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Contemporary issues in tourism development
In: Routledge advances in tourism 6
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Article(electronic)#6December 1978
Effectiveness of Accommodative Aids in Reducing Empty Field Myopia in Visual Search
In: Human factors: the journal of the Human Factors Society, Volume 20, Issue 6, p. 733-740
ISSN: 1547-8181
When a visual detection task is performed with distant targets in the absence of adequate accommodative cues, a performance loss is obtained which has been attributed to empty field myopia. It is shown that in a visual search situation an accommodative aid located at optical infinity improves detection by approximately 30% over empty field performance. It is further demonstrated that such an aid may overcome the conflicting accommodative cues provided by proximal contours defining the search area, i.e., a situation that is analogous to the detection of distant targets by observers searching through aircraft cabin windows.
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