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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
the measurement of intraocular pressure and recording of its dynamics—usually over a four- to five-minute period—by means of an electronic tonograph. Tonography is chiefly used in ophthalmology to detect glaucoma and to study its development.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.