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Base de datos CISDOC

ID (ISN) del documento30503
Número CIS 79-78
ISSN - Título de la serie 1775-8785 - Archives des maladies professionnelles
Año 1978
Número de serie
Autor(es) Gilet A., Grall Y., Keller J., Viénot P.A.
Título Work at computer terminals - Medical and ergonomic aspects - A study of critical frequency of fusion and evoked visual potentials
Título original Le travail sur terminal à écran - Aspects médicaux et ergonomiques - A propos d'une étude sur la fréquence critique de fusion et les potentiels évoqués visuels. [en francés]
Información bibliográfica June 1978, Vol.39, No.6, p.357-373. Illus. 19 ref.
Resumen Considerations on ergonomic aspects of a computer terminal operator's desk (design, layout, furnishings, suitable floor surface for ease and freedom of movement in sitting posture and when changing place, environmental lighting conditions and visual comfort) are followed by a report on a survey of 10 visual display unit (VDU) operators and 9 controls, to quantify visual strain, using the following parameters: evoked visual potentials (EVP) and critical central retinal frequency of fusion (CCRFF), measured before and after work on VDU. The results obtained were not conclusive, mainly due to lack of correlation between EVP recordings and time worked and the observance of increased CCRFF in VDU operators at the end of the day (whereas, clinically, visual fatigue usually results in lowered CCRFF). However, the concordance between observed asthenopia and the presence of oculomotor disturbance indicates the necessity for the occupational practioner to prescribe opthalmological screening tests and regular check-ups.
Descriptores (primarios) tareas visuales; pantallas de visualización; fatiga visual
Descriptores (secundarios) iluminación; diseno de los puestos de trabajo; trastornos oculomotores; confort visual; estudio comparado; electroencefalografía; estimulación nerviosa; vigilancia médica; frecuencia critica de fusión
Tipo de documento -
Tema(s) Iluminación, color, visión
Broad subject area(s)
Navegación por categoria(s) Fatiga
Office work
Visual display terminals (VDTs)