Abstract
We performed contrast-sensitivity measurements using rotationally
symmetric, variable contrast difference-of-Gaussians targets, viewed through
specially designed telescopes that presented various amounts of monochromatic
aberrations. The contrast-sensitivity ratios between aberrated and unaberrated
cases were correlated with instrument-based measures of image quality. The
radius that encircles 84% of the energy of the point-spread function
was found to give the best correlation with the subjective
data.
© 1997 Optical Society of America
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