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    • 10. 发明授权
    • Angle indicator for ocular measurements
    • 眼睛测量角度指示器
    • US08241353B2
    • 2012-08-14
    • US13205358
    • 2011-08-08
    • Jim DeaconEdward GeraghtyEdward Zaleski
    • Jim DeaconEdward GeraghtyEdward Zaleski
    • A61F2/14A61F2/16A61B5/103A61B5/117
    • A61B3/10A61B3/1005A61B3/117A61B5/1076A61F2/1694G01B3/563
    • Implantation of an accommodating intraocular lens in an eye may require the accurate measurement of the size, circumference, or diameter of the capsular bag of the eye. A flexible ring or ring portion may be temporarily or permanently inserted into the capsular bag for measuring the circumference of the capsular bag, for example, after extraction of a natural lens from the capsular bag. The ring or ring portion is generally compressible to fit through a surgical incision, then expands to fill the capsular bag along an equatorial region. The ring or ring portion includes a central component that changes shape and/or angle as the ring or ring portion is compressed. The shape change is generally correlated to the size of the capsular bag and may be visually measured through the cornea, the measurement being generally independent of corneal magnification. The measurement may be used to determine or calculate information about the capsular bag such as its size, elasticity, accommodative range, and so forth.
    • 在眼睛中植入适应性眼内透镜可能需要精确测量眼睛囊袋的尺寸,周长或直径。 柔性环或环部分可以临时或永久地插入到囊袋中,用于测量囊袋的周长,例如在从囊袋提取天然晶状体之后。 环或环部分通常可压缩以通过手术切口装配,然后膨胀以沿着赤道区填充囊袋。 环或环部分包括当环或环部分被压缩时改变形状和/或角度的中心部件。 形状变化通常与囊袋的尺寸相关,并且可以通过角膜目视测量,该测量通常与角膜放大无关。 测量可用于确定或计算关于囊袋的信息,例如其尺寸,弹性,调节范围等。