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Article
July 1965

CRYOEXTRACTION

Author Affiliations

Director, Cryosurgery Research Laboratory Manhattan Eye, Ear, and Throat Hospital 210 E 64th St New York, NY 10021

Arch Ophthalmol. 1965;74(1):145-146. doi:10.1001/archopht.1965.00970040147038
Abstract

To the Editor:  In medicine, a healthy skepticism has always proven beneficial to the profession. The author of a recent editorial entitled "Cryosurgery in Ophthalmology" (Arch Ophthal 72:590, 1964) is therefore to be commended for that component of the editorial which can be considered healthy skepticism. I would like to add another voice advocating a healthy respect of any device or technique which exposes the eye to the temperature of liquid nitrogen. This liquid boils at approximately −196 C and has, in effect, the capability of freezing an entire eyeball.It is, however, unfair to compare a liquid nitrogen apparatus with an instrument designed especially for cataract extraction which limits the temperature drop to −35 C. By the same token, one does not condemn the use of the Hildreth Cautery for the purpose of conjunctival hemostasis simply because a source of intense heat such as a light coagulator cannot be

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