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MATHEW ALPERN, Ph.D.; PAUL ELLEN, Ph.D.; ROBERT I. GOLDSMITH, M.D.

AMA Arch Ophthalmol. 1958;60(4):592-602.

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

I. Introduction

Schubert¹ has recently shown that the accommodation of the normal human eye from far to near is accompanied by a direct-current change in potential which may be recorded from suitable electrodes placed on the conjunctiva in the region of the limbus. Schubert used the shell of a contact lens, from which the corneal section had been removed, onto which a silversilver chloride electrode was attached. With suitable anesthesia of the cornea, this technique is probably satisfactory for making a few measurements. However, when a large number of measurements are required, over extended periods of time, we have found that severe damage to the corneal surface can result because the cornea of the eye rubs against the border of the lens, from which the corneal section was removed, whenever the eye chances to look to one side or the other. The present paper will describe a safer technique . . . [Full Text PDF of this Article]

Author Affiliations
Ann Arbor, Mich.

Department of Ophthalmology and Vision Research Laboratories, The University of Michigan.

Footnotes
Submitted for publication Nov. 14, 1957.

Supported in part by Grant RT 125(c) from the National Institutes of Health, U. S. Dept. of Health, Education, and Welfare.

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