Psychophysics of reading. VI--The role of contrast in low vision.

@article{Rubin1989PsychophysicsOR,
  title={Psychophysics of reading. VI--The role of contrast in low vision.},
  author={Gary Stuart Rubin and Gordon E. Legge},
  journal={Vision research},
  year={1989},
  volume={29 1},
  pages={79-91}
}
The effect of contrast on reading performance was measured in 19 low-vision observers with a wide range of visual disorders and degrees of vision loss. The observers read text composed of 6 deg letters, ranging in contrast from 0.96 down to contrast threshold for reading. Reading performance was characterized by two parameters: peak reading rate is the reading rate at maximum contrast, and critical contrast is the contrast at which reading rate drops to half its maximum value. Peak reading… CONTINUE READING
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