Dynamic eye accommodation evoked by apparent distances.
A three-dimensional optometer (TDO), which can measure simultaneously three major ocular functions in a working environment, was used to measure the visual responses of human subjects viewing: (1) actual artworks and (2) corrugation presented by moving random dots on a cathode ray tube (CRT). Measurements were performed in natural viewing conditions on two emmetropic females. Both subjects demonstrated distinct accommodative responses for the stimuli presented at a fixed distance. The results indicate that the accommodation generally shifts in accord with changes of perceived distance. The usefulness of the TDO was demonstrated in these experiments.
Takeda
T
T
Department of Applied Ergonomics, Industrial Products Research Institute of MITI, Ibaraki, Japan.
Iida
T
T
Fukui
Y
Y
D000065:Accommodation, Ocular / Q000502:physiology*; D000328:Adult; D004215:Distance Perception / Q000502:physiology*; D005133:Eye Movements / Q000502:physiology; D005260:Female; D006801:Humans; D007498:Iris / Q000502:physiology; D009039:Motion Perception / Q000502:physiology; D010865:Pilot Projects; D015348:Vision, Binocular