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Article
April 1979

Perspective on Perimetry-Reply

Author Affiliations

Miami
Gainesville, Fla

Arch Ophthalmol. 1979;97(4):775. doi:10.1001/archopht.1979.01020010411032
Abstract

In Reply.  —Dr Laibovitz has raised two questions, the first of which is easy to answer: "hemidyschromatopsia" is indeed the more accurate term since not all color appreciation is categorically lost. The second point is of greater interest and bears some discussion. Basically, do we see optic nerve compression with normal acuity? Of the four cases reported by Kearns and Rucker,1 two of the four eyes with arcuate defects did indeed have lowered visual acuity; two eyes apparently had normal acuity. The cases reported by Harrington2.3 consisted of nine eyes with defects that were due to "lesions in the posterior nerve and chiasm"; unfortunately, the acuity was not indicated in seven eyes, and in the two eyes where acuity was noted, it was indeed diminished. One of us (J.D.T.) has previously reported a case4 of monocular temporal hemianopic arcuate scotoma with chiasmal compression, but again central visual

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