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Ophthalmic Physiol Opt. 1992 Jul;12(3):361-4.

Accommodative responses to eccentric and laterally-oscillating targets.

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  • 1Department of Biomedical Engineering, Rutgers University, Piscataway, NJ 09855-0909.


There is little information on the accommodative response to stimuli having naturalistic motion on the retina. In the present experiment, the steady-state accommodative response at various dioptric levels was assessed with a Hartinger coincidence optometer as sinusoidal frequency of a small target was systematically altered across the horizontal foveal region (+/- 2 degrees). The steady-state accommodative response became less accurate as target oscillation frequency increased, approaching the tonic accommodation level when the frequency was between 0.5 and 1 Hz (corresponding to peak velocities of 6.3 and 12.6 deg s-1, respectively). These results suggest that the accommodation system is reasonably robust to naturally-occurring retinal-image motion.

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