Invention Grant
- Patent Title: Minimizing the side-effects of refractive corrections using statistically determined irregularities in intrastromal incisions
- Patent Title (中): 使用统计学上确定的胸腔内切口不规则来减少屈光矫正的副作用
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Application No.: US12349257Application Date: 2009-01-06
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Publication No.: US08377048B2Publication Date: 2013-02-19
- Inventor: Josef F. Bille
- Applicant: Josef F. Bille
- Applicant Address: DE Munich
- Assignee: Technolas Perfect Vision GmbH
- Current Assignee: Technolas Perfect Vision GmbH
- Current Assignee Address: DE Munich
- Agency: Nydegger & Associates
- Main IPC: A61B18/18
- IPC: A61B18/18

Abstract:
A system and method for minimizing adverse visual effects that may be introduced during laser refractive surgery, requires making laser incisions into stromal tissue in a predetermined manner. Specifically, a plurality of irregular incisions are statistically distributed in the stroma in a manner that causes them to be visually elusive, and thereby minimize their adverse visual effects. The incisions must, however, still accomplish their intended surgical purpose of weakening the stroma in a predetermined manner. To do this, each irregular incision has a width of arc length dθm, a length dzl and a characteristic radial distance drn from the visual axis of the eye. Values for dθm, dzl and drn are established using a random number generator.
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