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The relationship was examined between government smoking control levels and eight health, social and economic indicators in 93 countries. Governmental smoking control levels were quantified by assigning a point to each control measure. The controls were as follows: health warning on cigarette package; tar, nicotine or carbon monoxide level indications on(More)
Fluctuations in accommodation, accommodative function, visual acuity and subjective symptom were investigated on the basis of two hours of character search work by VDT operators. As a means to determine the visual load encountered in VDT work, the fluctuations in accommodation were analyzed using the computer method developed by the authors in eight young(More)
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