Improving the design of the letter contrast sensitivity test.

  title={Improving the design of the letter contrast sensitivity test.},
  author={Aries Arditi},
  journal={Investigative ophthalmology & visual science},
  volume={46 6},
  • Aries Arditi
  • Published 2005 in Investigative ophthalmology & visual science
PURPOSE To develop a small-format letter contrast sensitivity test with improved accuracy, suitable for portable use and near testing, and having a simple and unambiguous scoring system that can be used with reference to existing norms. METHODS A near test, printed on resin-coated paper and mounted on plastic was developed by using Sloan letters, with 0.04 log unit contrast decrements between each letter and a simple scoring procedure. Monte Carlo methods and a Weibull function model of… CONTINUE READING

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