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    • 2. 发明申请
    • APPARATUS AND METHOD FOR PERFORMING PRESBYOPIA CORRECTIVE SURGERY
    • 用于执行PRESBYOPIA矫正手术的装置和方法
    • WO0027324A8
    • 2002-11-07
    • PCT/US9926242
    • 1999-11-08
    • RUIZ LUIS ANTONIOBEARER GEORGE F
    • RUIZ LUIS ANTONIO
    • A61B18/20A61F9/007A61F9/008A61F9/01A61F9/013A61F7/00
    • A61F9/013A61F9/00808A61F9/00817A61F2009/00844A61F2009/00846A61F2009/00872A61F2009/00895
    • A system, and process for correcting presbyopia with the system including a tissue removal system that preferably includes a laser system (200) with means (206) for forming a predetermined presbyopia correction contour corresponding to a predetermined ablation profile through controlled ablation on an exposed corneal stroma area of the eye, such that a central zone (A) of about 1 mm to 3 mm or more preferably 1.4 mm to 1.8 mm is left intact with a main maximum presbyopia ablation zone (B) bordering the untouched or hardly touched (e.g., a radius transition edge) central zone. The annular maximum ablation zone in the stroma is defined by a smoothly curving, steep profile section which extends out from a central non-ablation zone section of the profile. Further outward from the maximum ablation zone in the stroma is an annular treatment zone that is determined by a further section of the presbyopia correcting profile generally represented by a smoothing transition section that extends into another zone which is an un-ablated zone.
    • 一种系统,以及用该系统校正老花眼的方法,该系统包括组织去除系统,该组织去除系统优选地包括具有用于通过在暴露的角膜上的受控消融形成对应于预定消融轮廓的预定老花眼矫正轮廓的装置(206)的激光系统(200) 使得大约1mm至3mm或更优选1.4mm至1.8mm的中心区域(A)保持完整,具有与未触摸或几乎不接触的主要最大老花眼消融区域(B)(例如, ,半径过渡边缘)中心区域。 基质中的环形最大消融区域由平滑弯曲的陡峭剖面部分限定,其从轮廓的中心非消融区段延伸出来。 从基质中的最大消融区域进一步向外是由通常由平滑过渡部分表示的远视矫正剖面的另一部分确定的环形治疗区域,该平滑过渡部分延伸到另一区域,该区域是未烧蚀区域。