Corneal excision or scoring device

A device for cutting or scoring the eye, comprising:

• a cutting portion having a cutter following an entire perimeter of the cutting portion and a projection spaced apart from the cutter, the cutting portion becomes inserted into a stabilizing portion to cut or score the eye;
• the stabilizing portion comprising a single member having both an interior with a stop and a serrated edge formed from a plurality of teeth;
• wherein the cutting portion and the single member of the stabilizing portion each have matching threads for mechanically joining the cutting portion and the stabilizing portion, and the cutting portion is movable with respect to the stabilizing portion, and upon inserting the stabilizing portion in the eye, the serrated edge rests on the eye, and the stop limits the distance the cutting portion may be inserted.

A device capable of resting on the sclera of an eye and cutting or scoring the eye, comprising:

• a cutting portion comprising a substantially cylindrical tube having a gripping portion at one end and a cutter at the other end, the cutter comprising an uninterrupted blade substantially following an entire perimeter of the tube;
• a stabilizing portion comprising a single member having both an interior with a recess and a serrated edge formed from a plurality of teeth, the cutting portion becomes inserted into a stabilizing portion to cut or score the eye;
• wherein the cutting portion and the single member of the stabilizing portion each have matching threads for mechanically joining the cutting portion and the stabilizing portion, and the cutting portion is movable with respect to the stabilizing portion, and upon inserting the stabilizing portion in the eye, the serrated edge rests on the eye, and the recess limits the distance the cutting portion may be inserted.