Method and apparatus for improving vision

摘要: Methods and apparatus are disclosed for causing the optical center of eye to align “HIGH point” anterior surface cornea. In accordance with one aspect invention relating corneal ablation procedures, HIGH point is used as pole a spherical which fitted approximately portion cornea within “bounded region.” For region” comprises generally inverted-cup shaped region bounded at its periphery by plane substantially perpendicular local z-axis. During operation high points project above ablated. According another radial keratotomy pair incisions in “great circle” formed weaken flatten it. As herein, containing parallel The procedures defined absolutely terms circle projected onto centered about an axis passing through