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Microprocessor-controlled contrast sensitivity measurements

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Abstract

A system is described for automatic measurement of contrast sensitivity functions (c.s.f.). The measuring technique is based on the Von Békésy tracking method. One c.s.f. can be measured in 10 min. The stimuli (sinewave gratings) are generated on a t.v. monitor screen. The stimulus parameters (spatial frequency, contrast and field size) are controlled by a microprocessor. The results are plotted in an easily interpretable from, giving the c.s.f. of both eyes together with the radio between the contrast sensitivity of the two eyes. Clinical measurements on amblyopic patients are described by way of illustration of the application of the system.

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Authors and Affiliations

  1. Department of Biological & Medical Physics, Erasmus University, PO Box 1738, 3000 DR, Rotterdam, The Netherlands

    C. J. Keemink, G. J. van der Wildt & J. B. P. van Deursen

Authors
  1. C. J. Keemink
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  2. G. J. van der Wildt
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  3. J. B. P. van Deursen
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Keemink, C.J., van der Wildt, G.J. & van Deursen, J.B.P. Microprocessor-controlled contrast sensitivity measurements. Med. Biol. Eng. Comput. 17, 371–378 (1979). https://doi.org/10.1007/BF02443825

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  • DOI: https://doi.org/10.1007/BF02443825

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