08. T. Iwasaki, S. Kurimoto, Objective evaluation of eye strain using measurements of accommodative oscillation, Ergonomics, 1987, Vol. 30, No. 3, pp. 581-587;

08. T. Iwasaki, S. Kurimoto, Objective evaluation of eye strain using measurements of accommodative oscillation, Ergonomics, 1987, Vol. 30, No. 3, pp. 581-587;