A new technique to measure contrast sensitivity in human infants.

  title={A new technique to measure contrast sensitivity in human infants.},
  author={Russell J. Adams and Michele E. Mercer and Mary L. Courage},
  journal={Optometry and vision science : official publication of the American Academy of Optometry},
  volume={69 6},
We used a new time-efficient procedure to obtain binocular contrast sensitivity functions (CSFs) from 80 infants aged 1-, 3-, 6-, and 12-months-old. The test consisted of 5 sets of large (50 by 28 cm) cards constructed by mounting a 7.2 degrees circular sine wave grating with 1 of 5 spatial frequencies (0.3, 0.6, 1.2, 2.4, and 3.6 cpd at 60 cm) onto light gray matteboard. Each card also contained a second 7.2 degrees unpatterned patch of equal space-average luminance. Depending upon the set… CONTINUE READING

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