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  • Eye (ophthalmic) surgery scissors designed to cut the iris tissue during ophthalmic procedures. These scissors are typically very small handheld, manual instruments with two metallic (e.g., stainless steel) blades with straight or curved sharp tips that slide past each other (i.e., shearing action). The blades are attached to handles with the proximal end conformed as a ring to facilitate holding and operating with the fingers and are joined by a swivel pin in the center. The blades can be attached to serrated flat handles to provide a safer grip with inserted flat springs that avoid uneven tension and provide a more uniform and/or sensitive manipulation. Iris surgery scissors are used for complete (i.e., sector) or partial (e.g., peripheral) surgical excision of the iris in procedures intended to enlarge small pupils and to treat glaucoma and other eye diseases. These scissors are frequently used in microsurgical procedures.
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