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. 1979 Jan;69(1):89-92.
doi: 10.1364/josa.69.000089.

Correction of empty-field myopia on the basis of the dark-focus of accommodation

R B Post, R L Owens, D A Owens, H W Leibowitz

Correction of empty-field myopia on the basis of the dark-focus of accommodation

R B Post et al. J Opt Soc Am. 1979 Jan.

Abstract

The influence of negative spherical corrections on the detection of a small increment flash presented in a uniform field or Ganzfeld were determined. The range investigated included each observer's normal correction as well as values based on the focus assumed by each observer in total darkness (dark-focus of accomodation). A correction equivalent to the dark-focus resulted in maximum sensitivity. The results suggest a convenient technique for the determination of optimal correction for empty-field viewing conditions.

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