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February 1939


Author Affiliations

Edinburgh, Scotland

Arch Ophthalmol. 1939;21(2):393. doi:10.1001/archopht.1939.00860020197017

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To the Editor:  —In a paper on homonymous hemianopic paracentral scotoma in the November issue of the Archives (20:846, 1938) it is stated that in textbooks on perimetry little discussion has been devoted to this type of defect and that in my "Introduction to Clinical Perimetry" I have "merely defined the defect." The authors quote from chapter 5 of the first edition, but make no reference to the short discussion on the subject in chapter 11, which is illustrated by reports of 2 cases, 1 of homonymous congruous hemianopic central scotoma with invasion of the fixation area and 1 of homonymous congruous paracentral scotoma, both from my own collection. That this subject is not neglected in the literature is shown by a reference to volume 7 of Wilbrand and Saenger's "Neurologie des Auges" (1917), in which over 20 pages dealing with more than 30 cases are devoted to it.

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