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This book is divided into four chapters describing, respectively, accommodation, static refraction, faulty tendencies and deviations of the ocular muscles and optical section.
The first twenty pages, devoted to a discussion on accommodation, its mechanism and disorders, contain many references to the masterly work of Duane on this subject as well as to his tables on the variations of accommodation according to age. This is made an interesting section by clear and concise wording.
The next chapter, which is on static refraction, contains a description of all the commoner methods of determining the exact refraction. The author gives a minute description of his technic in retinoscopy for which he prefers a concave mirror. He does not have great faith "in the ophthalmometer as an instrument of precision because it merely gives the power of the cylinder, which, if placed in contact with the cornea, would correct the anterior