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I. PHYSIOLOGIC INTRODUCTION

ALFRED BIELSCHOWSKY

Arch Ophthal. 1934;12(6):805-818.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

Ewald Hering, the master of the physiology of space sense and of the movements of the eyes, taught that the two eyes should be considered as the halves of a single organ (Hering's Doppelauge) as regards not only the visual but the motor apparatus. Unless the meaning of this doctrine is thoroughly understood it is impossible to avoid great mistakes in examining and analyzing the complicated anomalies to be considered in this study and to find the best, or only, method for their treatment.

The fundamental law of the visual apparatus concerns retinal correspondence: Each pair of corresponding retinal points has one direction in which the images situated on both points are localized. The principal visual direction, Hering's Hauptsehrichtung, belongs to both the foveae. Between this principal direction and the visual direction of any other pair of corresponding points is an angle determined by the arc between those . . . [Full Text PDF of this Article]

Author Affiliations
BRESLAU, GERMANY

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