Ferree, Clarence Errol, Rand, Gertrude, b.1886 · New York, etc. · leaf 99
STUDIES IN PERIMETRY 279 In this connection, it scarcely need be Results pointed out that the value of a scale The fields for red and blue were for diagnosis does not depend upon taken for 126 eyes. Of these 52 were the normal range of variation alone, hyperopes, 19 were myopes, 21 were but upon… … Fig. 9 (Ferree. Rand, and Monroe). Fields for green; showing the widest field, A, for 119 nonpathological cases; the average field, B; the narrowest field, C; and the sizes of field which may be regarded as borderline, X for myopes and presbyopes, Y for emmetropes and hyperopes. and 29 showed no…
Ophthalmology · Vision · Color vision
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