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Effects of Lighting on Reading Speed as a Function of Letter Size / William Seiple, [i 5 més]

By: Seiple, William.
Material type: materialTypeLabelContinuing resourceDescription: 7p, 72 (2) 2018.Content type: text Media type: informàtic Carrier type: recurs en líniaISSN: 02729490.Subject(s): Enllumenat | Llums | Escriptura | Lectura | Teràpia Ocupacional | Reading speed | Lighting | Letter sizeOnline resources: Accés restringit usuaris EUIT
Contents:
William Seiple; Olga Overbury; Bruce Rosenthal; Tiffany Arango; J. Vernon Odom; Alan R. Morse
In: American Journal of Occupational Therapy 2018 MAR-ABR; 72 (2): 7202345020p1-7202345020p7Summary: OBJECTIVE. We sought to determine under what conditions brighter lighting improves reading performance. METHOD. Thirteen participants with typical sight and 9 participants with age-related macular degeneration (AMD) read sentences ranging from 0.0 to 1.3 logMAR under luminance levels ranging from 3.5 to 696 cd/m^2. RESULTS. At the dimmest luminance level (3.5 cd/m^2), reading speeds were slowest at the smaller letter sizes and reached an asymptote for larger sizes. When luminance was increased to 30 cd/m^2, reading speed increased only for the smaller letter sizes. Additional lighting did not increase reading speeds for any letter size. Similar size-related effects of luminance were observed in participants with AMD. CONCLUSION. In some instances, performance on acuity-limited tasks might be improved by brighter lighting. However, brighter lighting does not always improve reading; the magnitude of the effect depends on the text size and the relative changes in light level.
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Item type Current location Collection Call number url Status Notes Date due Barcode
Journal article Journal article Escola Universitària d'Infermeria i Teràpia Ocupacional de Terrassa
Internet
En línia Link to resource Exclòs de préstec 0000101719078
Journal Journal Escola Universitària d'Infermeria i Teràpia Ocupacional de Terrassa
Biblioteca
Paper Capses ordenades alfabèticament (Browse shelf) Exclòs de préstec També consulta en línia 0000101709086

William Seiple; Olga Overbury; Bruce Rosenthal; Tiffany Arango; J. Vernon Odom; Alan R. Morse

20180221

OBJECTIVE. We sought to determine under what conditions brighter lighting improves reading performance. METHOD. Thirteen participants with typical sight and 9 participants with age-related macular degeneration (AMD) read sentences ranging from 0.0 to 1.3 logMAR under luminance levels ranging from 3.5 to 696 cd/m^2. RESULTS. At the dimmest luminance level (3.5 cd/m^2), reading speeds were slowest at the smaller letter sizes and reached an asymptote for larger sizes. When luminance was increased to 30 cd/m^2, reading speed increased only for the smaller letter sizes. Additional lighting did not increase reading speeds for any letter size. Similar size-related effects of luminance were observed in participants with AMD. CONCLUSION. In some instances, performance on acuity-limited tasks might be improved by brighter lighting. However, brighter lighting does not always improve reading; the magnitude of the effect depends on the text size and the relative changes in light level.

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