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December 1926

Le Syndrome Chiasmatique. (The Chiasmal Syndrome).

Arch NeurPsych. 1926;16(6):813-814. doi:10.1001/archneurpsyc.1926.02200300133011

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Abstract

The book contains an extensive review of what is known concerning the anatomy of the optic chiasm, and the pathology and the clinical manifestations of disease attacking it. Few new observations are included. The author begins with clinical signs and symptoms. The visual acuity often shows less change than the visual field in diseases of the chiasm, since the fixation point is frequently spared. Careful perimetric examination is extremely important. A perimeter of the Bjerrum type is recommended, and the use of test objects of sizes varying from 1 to 10 mm. The author believes in using colored test objects also, and states that although the visual charts obtained with them are usually similar to those given by smaller test objects, yet in some cases the former will reveal defects that the latter do not disclose. It will be noted, however, that his smallest white object is larger than those

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