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To the Editor:
—In the August issue of the Archives (page 372) Dr. F. C. Parker describes a serrated discission knife, made for him by E. B. Meyrowitz Company. For over twenty years I have employed a serrated Ziegler knife, which, however, is quite different from, and I am sure much more efficient than, the knife depicted by Dr. Parker. In my knife, as shown in the accompanying illustration, the serrations are curved, somewhat resembling those of a bread knife, and immeasurably finer than those in Dr. Parker's knife. These serrations were made by me purposely, and unfortunately I soon forgot how I made them. Fearing some disaster to this knife, I have attempted to duplicate it, but I have never been able to produce a knife nearly as efficient. Several years ago I presented the problem to E. B. Meyrowitz Company, and about two years ago to the Storz
Verhoeff FH. A SERRATED DISCISSION KNIFE. Arch Ophthalmol. 1940;24(5):1010. doi:10.1001/archopht.1940.00870050162020
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