[Surgical correction of severe astigmatism following keratoplasty].

Corneal astigmatism after keratoplasty can be treated optically or surgically. If a step forms after surgery or after removal of the sutures, resuturing is necessary. In cases of extreme astigmatism which are optically not correctable, surgical methods such as keratotomy, keratocauterization or keratoresection have been suggested. The excision of a corneal wedge, introduced in 1975, is a useful method which has now become established. The technique and the results in 8 cases are presented.