Performance of 40- to 50-year-old subjects on a radar monitoring task : the effects of wearing bifocal glasses and interpolated rest periods on target detection time.

Thackray, Richard I.; Touchstone, R. Mark; Civil Aeromedical Institute

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Performance of 40- to 50-year-old subjects on a radar monitoring task : the effects of wearing bifocal glasses and interpolated rest periods on target detection time.

1982-04-01
By Thackray, Richard I. ; Touchstone, R. Mark

[PDF-674.84 KB]

English

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Creators:

Thackray, Richard I. ; Touchstone, R. Mark

Thackray, Richard I. ; Touchstone, R. Mark Less -
Corporate Creators:

Civil Aeromedical Institute
Corporate Contributors:

United States. Office of Aviation Medicine
Subject/TRT Terms:

[+]

Aged Air Traffic Control Attention Bifocal Lenses Eyeglasses Fatigue Fatigue (Physiological Condition) Human Subject Testing Monitoring Older People Performance--Testing Performance Tests Radar Air Traffic Control Radar Air Traffic Control Systems--Monitoring Video Display Terminals Vigilance Vigilance (Psychology) Visual Display Units (Computers)
Publication/ Report Number:

FAA-AM-82-16 ; DOT/FAA/AM-82/16

FAA-AM-82-16 ; DOT/FAA/AM-82/16 Less -
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

Civil Aerospace Medical Institute
Abstract:

The present study examines the effects of wearing bifocal glasses and interpolated rest periods on the performance of 40- to 50-year-old subjects on a radar monitoring task. The visual display was designed to resemble an air traffic control radar display containing computer-generated alphanumeric symbols.

Forty men and women were divided into four equal-sized groups, with each group consisting of one of the four possible combinations of bifocal/no-bifocal and rest/no-rest conditions. All subjects were tested over a 2-hour session. Rest periods (a 5-minute break every 30 minutes) significantly reduced the performance decrement of 40- to 50-year-old subjects, bringing performance to a level approximating that of 18- to 29-year-old subjects without rest periods. The wearing of bifocal glasses did not contribute to visual strain or somatic discomfort.
Format:

PDF
Collection(s):

FAA Civil Aerospace Medical Institute US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:a1dcddf6f13630a71fe6fa56dfa23866faf467ef25d0f5db8f594ae778be69bf
Download URL:

https://rosap.ntl.bts.gov/view/dot/21217/dot_21217_DS1.pdf
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Performance of 40- to 50-year-old subjects on a radar monitoring task : the effects of wearing bifocal glasses and interpolated rest periods on target detection time.

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