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Abstract
To overcome the problems of surgical treatment of tumors of the posterior segment, we have developed a ring-shaped instrument. This is sutured to the sclera or the area where resection should be performed. Besides stabilizing the operative area, the two side arms of the instrument prevent collapse of the eyeball. The full-thickness eye wall resection is performed with the cutting needle of the cautery. The resected area is replaced with a silicon-coated dacron patch which is glued to the sclera by a-cyanoacrylate. The experimental work was done on rabbits. The encouraging preliminary results of this study are reported.