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This book, written by the professor of ophthalmology at the University of Chile, consists of thirty clinical lessons given to undergraduate students of the medical school.
The lectures include different and nonrelated subjects. Two deal with avitaminosis in keratomalacia and two others with hepatic insufficiency in the same disease. Hysterical amaurosis is well described. The clinical characteristics of dental infections as related to ophthalmology are fully treated. There are four lessons on fundus diseases, including arteriosclerosis of the retina, syphilitic arteritis and papilledema. The chapter on arterial cephalic hypertension is interesting. This condition is diagnosed by the application to the sclera of the Bailliart dynamometer (or, better, syphygmoscope). When the maximum retinal pressure is more than double the brachial pressure, the author considers the former a "limited pathologic cephalic hypertension," and there are the added symptoms of severe headaches, appearance of phosphenes, dizziness, transient paresis, aphasia, etc. Although in some