Samenvatting
It is stated that the average 60-year-old needs more than seven times more light than the average 20-year-old for equality in visual performance. Some 60-years-old need as much as 40 times light to achieve equality.
Visual performance effects of age.
Jaar
Publicatie
Bibliotheeknummer
A 8812 (In: A 8810)
Uitgave
Illuminating Engineering Research Institute (IERI), 1971, p. 8/12
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