VDT作業者の目の疲労に関する基礎調査 : 目疲労自覚症状調査票の作成と適用

概要

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Subjective symptoms around eye strain were evaluated by means of our questionnaire for visual display terminal (VDT) operators. In this questionnaire, fifty-one items were listed up from published articles concerning with eye strain under VDT work. Fifty eight VDT operators, 37 males and 21 females, In a software farm were tested. Subjects were divided into two groups, Group-L(ong) and Group-S(hort). Operators in the Group-L were working with VDT more than or equal to 2 hours a day, and in Group-S less than 2 hours. Total eye strain score in the Group-L was significantly greater than that in Group-S. The averaged length of working time with VDT a day was significantly correlated positive with this score. Twelve out of 51 items (Table 5) were replied more by Group-L than Group-S significantly. These items can be classified into one general factore "eye fatigue" and 4 sub-factors. abnormal functions of (1) adaptation and of (2) ccomodation, (3) the conjunctivitis, and (4) the frequent blinking.
1988-04-01