Driving at Night
[ NDIVIDUALS differ very materially in their susceptibility to glare. As a rule persons with light-coloured eyes are more affected than those with dark eyes. There is also a very definite relation-
ship between age and_ glare sensitivity. This was revealed with striking clearness in an extensive investigation carried out by the Transport Department at the Centennial Exhibition. Results of tests of over 5,000 drivers show that glare sensitivity increases gradually from the age of 25 years up to 50 years. From then on the increase is
very rapid. On the average, the driver of 60 years is twice, and the driver of 70 years of age ten times, as sensitive to glare as the 25-year-old driver. In many cases elderly drivers, after having passed another vehicle, are completely blinded for as much as 5 seconds. This means that if the speed of their car were 35 miles per hour, it would travel 260 feet before they could regain proper vision. The grave risk of accident which this would involve is obvious. To ensure perfect safety, therefore, the elderly driver ‘should pass other vehicles at night at a very slow speed. He should, furthermore, avoid night driving as much as .possible--(Talk by W. R. Geddes, of the Transport Department, on "The Headlight Menace’"’).
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New Zealand Listener, Volume 3, Issue 56, 19 July 1940, Page 8
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215Driving at Night New Zealand Listener, Volume 3, Issue 56, 19 July 1940, Page 8
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Copyright in the work University Entrance by Janet Frame (credited as J.F., 22 March 1946, page 18), is owned by the Janet Frame Literary Trust. The National Library has been granted permission to digitise this article and make it available online as part of this digitised version of the New Zealand Listener. You can search, browse, and print this article for research and personal study only. Permission must be obtained from the Janet Frame Literary Trust for any other use.
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