SURGICAL VISUAL FEEDBACK AND EYE FIXATION METHOD AND APPARATUS

摘要

A fixation apparatus is provided that limits rotation of the ocular globe of an eye, to facilitate alignment of an instrument with the axis of astigmatis m of the eye. The apparatus includes fixation target means (12) for locating i n the field of view of the eye so that the eye may fixate on the target. The fixation target means includes or consists of at least one elongate componen t (16). Also disclosed is a corresponding method, and method and apparatus for supplying visual feedback to an operator during refractive surgery of an eye of a patient.