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By Jorge Balbrán, M.D. Pp. 130, with numerous illustrations in black and in color. Buenos Aires: El Ateneo, 1941.

M. Uribe Troncoso, Reviewer

Arch Ophthal. 1942;27(6):1239.

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

This excellent monograph deals with the anatomy of the optic tract and the clinical symptoms of its lesions. The author starts with an anatomic description of the retrochiasmatic path as he has found it by his own researches and his clinical work. He believes that of the two end branches of the tract, internal and external, only the external, which goes to the geniculate body, forms part of the optic pathway. All nerve fibers which transmit visual sensations end at the external geniculate body. The internal branch of the tract has nothing to do with the optic pathway.

Each tract contains (1) direct, or temporal, peripheral fibers; (2) direct, or temporal, macular fibers, superior and inferior; (3) crossed, or nasal, peripheral fibers, superior and inferior, and (4) crossed, or nasal, macular fibers, superior and inferior. When they reach the external geniculate body these fibers can be followed to the limit . . . [Full Text PDF of this Article]

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