A method for treating presbyopia by performing ablative photodecomposition of the corneal surface. The offset image of a variable aperture, such as a variable width slit and variable diameter iris diaphragm, is scanned in a preselected pattern to perform ablative sculpting of predetermined portions of...http://www.google.se/patents/US6280435?utm_source=gb-gplus-sharePatent US6280435 - Method and systems for laser treatment of presbyopia using offset imaging
