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Clinical review and assessment of conrast sensitivity testing

1 March 1984


The contrast sensitivity function (CSF) provides additional information concerning visual function. An explanation of contrast sensitivity and its physiological basis is given. An examination of the two most widespread clinical methods of testing, the Arden plates and the cathode ray tube (CRT), follows. The confounding variables inherent in the testing method and the uses, as reported in current literature, of the CSF in the clinical setting in the examination of various diseases is presented. Because of the lack of standardized testing procedures, the CSF is of limited value in the diagnosis. The individual practitioner is encouraged to formulate his/her own parameters and norms if the CSF is to be utilized in the testing regime.


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