Hiroshi Edagawa

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BACKGROUND It seemed that visual functions might have some effects on the performance of baseball players. We measured static, kinetic, and dynamic visual acuity (SVA, KVA, and DVA, respectively) of Japanese professional baseball players to ascertain whether there would be any difference in SVA, KVA, and DVA among player groups stratified according to their(More)
We measured the focal distance and pupil diameter on the eyes of 11 marksmen sighting a pistol target at 23 m distance. Both upon the focal distance and pupil diameter of the subjects, we estimated the point at which they were looking during sighting. Calculation based on depth of field which can be divided from the pupil diameter of 4.5 mm suggested that(More)
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