Figure 2. Design of corneal slicer. A: A Teflon base was constructed with a central pit measuring 12 mm in diameter designed to fit a cornea. The base also has three parallel grooves to accommodate razor blades from the cutting arm. B: The cutting arm consists of four stainless steel blocks separating three disposable razor blades by 3.9 mm. All elements are fixed in place with a pair of clamp bolts (closed circles), and the entire assembly is attached to the base at the point of the rotational axis with another clamp bolt (open circles). All components can be sterilized in an autoclave. The dashed line indicates the rotational axis for the cutting arm.