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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.
Traquair HM. HOMONYMOUS HEMIANOPIC PARACENTRAL SCOTOMA. Arch Ophthalmol. 1939;21(2):393. doi:10.1001/archopht.1939.00860020197017
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