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December 5, 1896

"A Prevalent Error in Refraction Work."

JAMA. 1896;XXVII(23):1213. doi:10.1001/jama.1896.02431010041009

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Chicago, Nov. 29, 1896.

To the Editor:  —Dr. Ed. J. Brown's letter on "a prevalent error in refraction work," published in the Journal of November 21, was to me full of surprises. "That most oculists have been giving low plus cylinders where minus lenses were indicated," was startling news to me, for I had never suspected this, though through private conversation and public discussions in ophthalmologic societies I am well acquainted with the views of a great many oculists on the question of correcting refractive errors. But I got a second and stronger dose of surprise when I found I, too, was counted among the guilty ones because I was supposed to have given a clergyman a + 50 cyl. axis 90 instead of a — 50 cyl. axis 180.The oculists among your readers, of course, clearly understand from Dr. Brown's own report of the case, that in this instance

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