Astigmatism reducing cutter

Details Astigmatism reducing cutter Astigmatism reducing cutter

1998-03-23

1999-08-17

Buiz, Michael

Surgery

Instruments

Corneal cutter or guide for corneal cutter

606161, 606167, 606180, A61F 900

Patent

active

059386746

ABSTRACT:
An astigmatism reducing device includes an alignment tool having a bore, extending through said alignment tool, for enabling centering of said alignment tool by observation of a cornea limbus. A handle is provided for enabling placement of said alignment tool onto a cornea and sclera of an eye and a bottom curvature on the alignment tool engages and conforms to the cornea. A lid retractor including a channel adjacent said bottom curvature is provided for separating eyelids from said cornea and sclera and enabling a portion of the bottom curvature to be disposed thereunder. Tubular cornea cutter, having an outside diameter sized for insertion into the alignment tool bore means is provided for supporting at least one cutting blade for rotation within the alignment tool bore, the cutting blade being disposed with a longitudinal axis parallel to a longitudinal axis of the tubular cornea cutter.

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