Tooke Corneal KnifeDDP Elite USA Tooke Corneal Knife is a commonly used blade in corneal surgeries. The knife features semicircular cutting edges with a flat blade. Commonly, the knife is employed to expose the limbus during cataract procedures or separate sclera lamellae. The knife also features an extended handle for ease of use. Please note that website images are often representative of the product family and may not conform to the exact specifications or features