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December 1929


Author Affiliations

From the Eye Clinic of the University of Chicago, E. V. L. Brown, Director.

Arch Ophthalmol. 1929;2(6):709-732. doi:10.1001/archopht.1929.00810020732012

The object of this paper is to give the present state of knowledge concerning the central visual pathways, the geniculocalcarine tract as well as the visual cortex. So much has been accomplished in this field within the last two decades that it seems justifiable to make a survey of all of the material that has been published in connection with the problem, and to state definitely where ophthalmologists stand on the solid ground of facts, and where a more or less logical theory is still the guide to new facts.

The present state of knowledge of the central visual pathway cannot be fully understood unless one knows about the most important phases of the development of this knowledge. I am therefore giving a brief review of the history of this subject. It also seems necessary to describe briefly the methods which have been used in the exploration of the visual

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