The Šafár̂ and Walker electrodes have been in use a sufficient length of time to prove their worth. However, they have certain shortcomings:
1. Some of the Šafár̂ electrodes consisting of one, two or three points are difficult to handle. They slip from the hold of the forceps and may get lost in the wound or become caught in the meshes of gauze or cotton. 2. The hard insulating varnish covering base, into which the short needle points are fastened, becomes brittle, cracks and peels off, and the danger of losing these particles of varnish in and outside the eyeball, though remote, is always present. 3. The thorough cleansing of the points is almost impossible unless much time and care are devoted to this work. 4. The sharpening of the points is very difficult. 5. Ideal sterilization by high temperature or a Bunsen burner is not practicable. 6. Finally, the
Schoenberg MJ. AN ELECTRODE WHICH SIMPLIFIES THE TECHNIC OF ELECTROSURGICAL TREATMENT OF RETINAL DETACHMENTS. Arch Ophthalmol. 1935;13(2):252–253. doi:10.1001/archopht.1935.00840020112013
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