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Base de datos CISDOC

ID (ISN) del documento53610
Número CIS 90-627
ISSN - Título de la serie 0300-8134 - Journal of Human Ergology
Año 1988
Número de serie
Autor(es) Takeda T., Östberg O., Fukui Y., Iida T.
Título Dynamic accommodation measurements for objective assessment of eyestrain and visual fatigue
Información bibliográfica Sep. 1988, Vol.17, No.1, p.21-35. Illus. 27 ref.
Resumen A high-precision optometer system has been developed for dynamic measurement of the refractive power of the eye. With the use of individually chosen stimulus steps, a subject's accommodation performance can be unobtrusively assessed in about 3min. Three experiments using this assessment method are described: (1) visual search using a visual display terminal (VDT) and a matched hard copy display, (2) visual search using a VDT with 5 different cathode ray tube (CRT) phosphor colours, and (3) round-the-clock optometer testing with different lines of view. The results show that the new method is sensitive enough to detect both decreased accommodation performance in the course of a few hours of visual work and a circadian rhythm in baseline accommodation and dark focus. The method is thus a potentially useful tool in research on eyestrain and visual fatigue.
Descriptores (primarios) exámenes oculares; oftalmología; fatiga visual; trastornos de la función visual
Descriptores (secundarios) carteles visuales; encuesta por cuestionario; pantallas de visualización; trastornos de la refracción
Tipo de documento D - Artículos periódicos
Tema(s) Fisiología del trabajo
Broad subject area(s) Riesgos físicos
Navegación por categoria(s) Fatiga
Diseases of the eye and vision damage