Bryn Mawr College monographs . Fig. Imnowini? the results of a determination of the lag in visual sensatior; candles; in B (lower left), at meter-candles, and ni C ( meter-candles. ADJUSTMENT OF THE EYE FOR CLEAR SEEING 59. Fig. II Representing the relative distribution of i8 observers ^rarieH »;,!,reference to speed of adjustment for clear seeing at different distances Once a feasible method and apparatus are had for determin-ng the speed and accuracy with which the eye may be adjustedfor clear seemg at different distances a number^of problemsare open for mvesfgation. As alr
Bryn Mawr College monographs . Fig. Imnowini? the results of a determination of the lag in visual sensatior; candles; in B (lower left), at meter-candles, and ni C ( meter-candles. ADJUSTMENT OF THE EYE FOR CLEAR SEEING 59. Fig. II Representing the relative distribution of i8 observers ^rarieH »;,!,reference to speed of adjustment for clear seeing at different distances Once a feasible method and apparatus are had for determin-ng the speed and accuracy with which the eye may be adjustedfor clear seemg at different distances a number^of problemsare open for mvesfgation. As already indicated twoof thepoin we hope to study in the near future are diurnal and the slowing effect of age. The latter of these S MkXll t7°T ? !. *^ ^^ °f the late iSayo-neeH H eter and other vocations for which ppeed and accuracy ot ocular adjustments are a prerequisite;The results we have obtained thus far on older sub ectsnot mcluded m the preceding tables) suggest that above thei?e of 30 the eye becomes not only slower in its reactions but;ncreasmgly hable to lapses and depressions lasting thrortghonger or shorter mtervals of time which make it a lardy ndmrelmble mstrument for much of the work
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