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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)
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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