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August 1949

Vision and the Eye.

Arch Ophthalmol. 1949;42(2):222. doi:10.1001/archopht.1949.00900050227021

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This is an excellent introduction to the study of the physiology of vision. The author himself has made many valuable contributions to the physiology of the retina and has the ability to present the subject to the uninitiated so that it is understandable—a not too common quality among those who deal in pure science.

The first three chapters are largely anatomic and deal with the gross anatomy of the eye and the microscopic anatomy of the retina. The next two chapters describe some of the properties of the rods and cones and discuss spectral sensitivity curves. Chapters 5 to 8 deal with the nervous activity produced in the eye by the action of light and the minimum amount of light energy necessary for vision. It is shown that if one considers quantum fluctuations, the threshold corresponds very closely to the minimum amount of energy which can be presented to the

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