October 1970
Volume 9, Issue 10
Free
Articles  |   October 1970
Movement of the Stiles-Crawford Effect
Author Affiliations
  • ARAN SAFIR
    Department of Ophthalmology, Mount Sinai School of Medicine New York, N. Y. Division of Biostatistics, Department of Community Medicine, Rutgers Medical School, and the Center for Computer and Information Services, Rutgers, The State University New Brunswick, N. J.
  • LYON HYAMS
    Department of Ophthalmology, Mount Sinai School of Medicine New York, N. Y. Division of Biostatistics, Department of Community Medicine, Rutgers Medical School, and the Center for Computer and Information Services, Rutgers, The State University New Brunswick, N. J.
  • JOHN PHILPOT
    Department of Ophthalmology, Mount Sinai School of Medicine New York, N. Y. Division of Biostatistics, Department of Community Medicine, Rutgers Medical School, and the Center for Computer and Information Services, Rutgers, The State University New Brunswick, N. J.
Investigative Ophthalmology & Visual Science October 1970, Vol.9, 820-825. doi:
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    • Get Citation

      ARAN SAFIR, LYON HYAMS, JOHN PHILPOT; Movement of the Stiles-Crawford Effect. Invest. Ophthalmol. Vis. Sci. 1970;9(10):820-825.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

There have been reports of the Stiles-Crawford effect (SCE) moving slowly acrossthe pupil. Our technique of measurement allows us to refer the SCE to a fixed corneal point. We employ methods of calculation which result in quantitative estimates of the parameters of the Gaussian curve fitting the data. Movement of the SCE would be seen quantitatively as a significant change in the parameter locating the central axis of the curve. We made measurements of the SCE in two subjects over long time periods. In neither case was any movement found.

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