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MARTIN COHEN, M.D.

Arch Ophthal. 1930;3(4):451-457.

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

Ophthalmologists are agreed that the outstanding evidence of glaucoma is an increased intra-ocular pressure which can be gaged satisfactorily with the aid of the tonometer. This instrument is especially valuable in the early diagnosis of glaucoma simplex and serves as an accurate guide for medical and surgical treatment. This paper is intended to furnish a brief review of the subject of tonometry in the light of some recent investigations.

The contour and consistency of the eyeball is maintained by the physical state of the eye and the intra-ocular pressure to such a degree that any increase or decrease of the intra-ocular pressure is transmitted to the cornea and other structures. Such a change in tissue tension is detected by indirectly measuring the corneal impressibility.

Corneal impressibility is elicited by placing the instrument accurately on the cornea, where it will exert enough pressure to force its plunger to impress . . . [Full Text PDF of this Article]

Author Affiliations
NEW YORK

Footnotes
Submitted for publication, Jan. 6, 1930.

Read at Meeting Section of Ophthalmology, New York Academy of Medicine, Nov. 18, 1929.

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