Patent ID: 6684885
Filing Date: 2004-02-03
Classification: A61F

Abstract:
A shield for use with a laser in surgery on the cornea of an eye wherein a cap with periphery a portion of which is a semi-circular arc defining a diameter is cut from an upper portion of said cornea, leaving an uncut portion for retaining said cap to said eye, said uncut portion defining a cord joining ends of said semi-circular arc, said cap folded away from an underlying lower portion of said cornea, said fold being along said uncut portion to expose a lower surface of said cornea, said shield comprisinga transparent annular body having a lower surface and a central opening defining an inner edge, said transparent body being opaque to rays of said laser, said central opening having a semi-circular portion defining a diameter no greater than said diameter defined by said semi-circular arc of said cap and a cord portion joining ends of said semi-circular portion, said transparent body positionable on said eye with said semi-circular portion protecting a portion of said eye surrounding said cut and said cord positionable for protecting said uncut portion of said cap wherein said shield leaves only said lower surface of said cornea exposed to said laser.