Analysis of visual and refractive results after wedge resection for high astigmatism after penetrating keratoplasty in keratoconus.

Wedge resection is a useful surgical procedure to correct high astigmatism. It is a safe technique with moderate efficacy and may be considered as initial procedure of choice in high astigmatism due to long-term ectasia in the graft-host junction after PK for keratoconus.