A Further Study of Hysterical Cases and Their Fields of Vision (Classic Reprint) - Hardcover

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Excerpt from A Further Study of Hysterical Cases and Their Fields of Vision<br/><br/>The visual field in each instance was measured with the aid of a perimeter; either one modelled after Lan dolt's plan, or, where the patients were bed-ridden, with Schweigger's hand perimeter. The test objects (white and colored) were circular, one and one-half centimetres in diameter, set upon a dead black background, and fastened to long black handles. Usually, three methods were employed, namely.

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