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Surgical instruments designed for incision of the cornea, often for shaving the outer layer of the cornea. These instruments typically consist of devices that are either manually operated or electrically powered and include appropriate blades and mechanisms; some instruments use a high-pressure waterjet to shave sections of the cornea. Keratomes are used mainly during corneal grafting procedures (e.g., keratoplasty), especially for partial-thickness implants. Dedicated knives are also used for incision of the cornea.
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