Abstract
In the past few years, considerable attention has been devoted to the estimation of the human luminance impulse response function from temporal contrast sensitivity measurements1,2, and to the theoretical and practical intricacies of this technique.3,4 Recently, we have found that the shape of the foveal impulse response function in retinitis pigmentosa (RP) patients, determined through flicker sensitivity testing, correlates well with other measures of RP progression, and that it is a more precise indicator of foveal and parafoveal photoreceptor involvement than other psychophysical test procedures.5
© 1991 Optical Society of America
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