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GUILLERMO de VENECIA, MD; MATTHEW D. DAVIS, MD

Arch Ophthalmol. 1963;69(6):752-757.

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

Diurnal variation of intraocular pressure has been the subject of considerable interest and speculation since Maslenikow¹ first called attention to it in 1904. Many authors writing on this subject have suggested that exaggeration of the normal diurnal pressure fluctuation is characteristic of early chronic open-angle glaucoma. As recently pointed out by Leydhecker,² however, there seems to be little agreement as to the upper limit of "normal" diurnal variation, the value cited by various authors ranging between 2 and 10 mm Hg (Table 1). Moreover, only a few authors have presented convincing evidence to substantiate their opinions.

The most pertinent study is that of Drance,³ who measured the intraocular pressure in 404 eyes without glaucoma in a general hospital, recording tensions with the Schiøtz tonometer at 6, 9, and 11:30 am, and 2, 5, and 10 pm during the day. Diurnal variation in these patients ranged from 0 . . . [Full Text PDF of this Article]

Author Affiliations
Madison, Wis

From the Department of Surgery (Ophthalmology), University of Wisconsin Medical School.

Footnotes
Submitted for publication Nov 1, 1962.

Supported in part by the Research Committee of the Graduate School from funds supplied by the Wisconsin Alumni Research Foundation.

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