Dr Knapp said, in former times when, afraid of the danger, he had cauterized superficially, the treatment had been negative, ie, followed by no marked improvement. During the last six or eight years he had used galvano-cautery, with a disciform electrode. Without perforation of the cornea the effect was slight, and the operation had to be repeated. Of late he therefore had perforated the cornea; the results had been good, no eye lost; in one eye the heat had produced a cataract; the eye after extraction obtained very good sight. He had usually applied the electrode a little below the centre of the cornea, had made iridectomy in two cases, in one for optical purposes, in the other for glaucoma which had set in when the corneal fistula had closed.
A look at the past . . . Arch Ophthalmol. 2000;118(3):411. doi:10.1001/archopht.118.3.411
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