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GEORGE S. DERBY, M.D.; PAUL A. CHANDLER, M.D.; LOUISE L. SLOAN, Ph.D.

Arch Ophthal. 1930;3(1):31-46.

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

An apparatus for testing both the light minimum and the light difference in dark adaptation and the use of this apparatus in the early diagnosis of glaucoma have been described in previous publications by Bovie;¹ by Waite, one of us (G. S. D.) and Kirk,² and by two of us (G. S. D. and P. A. C.) and O'Brien.³ In the last of this series of papers, it was shown that a test of the light minimum is of greater value in the diagnosis of glaucoma than is a test of the light difference. Since, therefore, only the light minimum need be tested, it becomes possible to devise an instrument simpler in construction than the one previously described, which may be used in the ordinary dark room of a physician's office.

NECESSARY CHARACTERISTICS OF INSTRUMENT

The essential and desirable characteristics of an instrument by means of which accurate . . . [Full Text PDF of this Article]

Author Affiliations
BOSTON

From the Ophthalmological Department, Harvard Medical School, and the Massachusetts Eye and Ear Infirmary.

Footnotes
Submitted for publication, July 3, 1929.

Read at a meeting of the American Ophthalmological Society, Hot Springs, Va., June 11, 1929.

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