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with some unusual changes in the visual fields


Skiagraph (vertical orientation as printed, with pronounced moiré)
captioned “Veasey — Bitemporal Hemianopsia,” illustrating
Clarence A. Veasey, M.D., “Observation of a case of bitemporal hemianopsia with some unusual changes in the visual fields.” Transactions of the American Ophthalmological Society 10 (Thirty-ninth Annual Meeting, Washington, D.C.), 1903: 383-387

“Early in January, or six months before I first saw him, there had gradually appeared a ‘fogginess’ of the temporal half of each field of vision, which, he thinks, was noticeable in the right eye before it was observed in the left. ¶ A skiagraphic examination of the brain of this patient shows a distinct shadow in the region of the chiasm. In presenting this skiagraph, I fully realize the skepticism regarding skiagraphy of cerebral lesions, even when of large size... In the skiagraph here presented, however, it is possible, if it be held about a meter distant from the eyes, and in such a position that the light will be reflected from its surface, to observe distinctly a shadow in the area indicated by the arrows...”
[pages 383 and 385, arrows only faintly discernible at lower middle, slightly to right, in this Google scan.]

21 April 2013

tags: fogginess; skiagraph; tragic narrative
C. A. Veasey, “Observation of a case of bitemporal hemianopsia...” (1903)