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June 1950


Arch Ophthalmol. 1950;43(6):1080-1081. doi:10.1001/archopht.1950.00910011097011

One of the hazards of intraocular surgery is the escape of vitreous due to pressure on the eyeball. When pressure on the eyeball is observed, it becomes necessary for the surgeon to resort to sutures or retractors in order to control the eyelids. Retraction of the eyelids by sutures may not afford a sufficiently large operative field, particularly in operations for glaucoma or in cataract extraction, and in some instances the eyelids may still exert pressure on the eyeball. This pressure is frequently observed at the end of a time-consuming corneal transplantation.

The winged eye speculum relieves pressure on the eyeball and transfers pressure to the site where the wings rest on the bones of the face. This speculum is the outcome of Dr. Ernst Schmerl's courtesy in giving me his excellent speculum, which has two extensions (fig. 1). Two extensions with a lateral wing were merely added to the speculums

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