Pupil size, mean accommodation response and the fluctuations of accommodation.

  title={Pupil size, mean accommodation response and the fluctuations of accommodation.},
  author={Lawrence R. Stark and David A. Atchison},
  journal={Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians},
  volume={17 4},
We wished to determine how pupil size and mean accommodation response level interact to influence the fluctuations of accommodation. A dynamic infra-red optometer was used to record accommodation responses while subjects viewed a steady target at two stimulus levels (1.5 and 3 D) through four pupils (1, 2, 4 and 6 mm). It was found for most subjects that the fluctuations of accommodation increase at higher mean accommodation response levels, and small pupils lead to an increase in the low… CONTINUE READING

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