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In recent years, a variety of new methods and instruments to assess visual function that may aid in understanding, diagnosing, and treating eye disorders have been described. For these methods and instruments to be used effectively, their scientific basis and clinical validity (ie, sensitivity and specificity) must be evaluated. New Methods of Sensory Visual Testing attempts to do this. However, the seven chapters, each of which describes a vision assessment method or test, vary in quality and discuss only a limited number of the diverse new methods and instruments featured in the recent literature.
Three of the seven chapters are exemplary in presenting the relevant background and clinical validity of the tests discussed. The chapter by Brenton et al, on critical flicker fusion reviews the parameters that affect it and reports on the authors' test of foveal critical flicker fusion, including data on its sensitivity and specificity. Chapter 5 by
Mayer DL. New Methods of Sensory Visual Testing. Arch Ophthalmol. 1991;109(3):331-332. doi:10.1001/archopht.1991.01080030033027