Patent ID: 6923821

Claim:
A microkeratome blade for tangential corneal incision with a reciprocating motion comprising: a cutting blade of stainless steel having a thin planar body of about 0.02″ thick with an anterior linear boundary beveled with an angle of about 8 degrees and extending about 0.050″ deep to a leading edge cutting tip, the anterior boundary being in the range of 0.450″ to 0.525″ long, the maximum anterior to posterior dimension being in the range of 0.250″ to 0.400″ deep, and including end corners at the limits thereof; and the cutting blade also including a substantially continuous curvilinear posterior boundary extending from one end corner of the anterior boundary to the other end corner in a generally hemispherical form, with the blade body also being formed to include an interior aperture that is adjacent the posterior boundary and elongated in a direction parallel to the anterior boundary.