结论：小梁切除术对角膜曲度的影响，多数患者于手术经线方向角膜曲度变深，其变化随时间减少。
Conclusions: Steepening in the meridian of the trabeculectomy site, the changes in corneal curvature induced by filtering surgery regressed with time.
实验目的：本文目的基于进行下颈椎椎弓根的相关经线及角度测量，定位更准确的椎弓根进钉点、置钉方向，为成功应用经颈椎椎弓根螺钉技术提供必要信息。
Objective: to go to more exact point and direction during the screw fixation make sure to insert screw successfully by measuring the dimension of the lower cervical spine pedicle.
随着角膜水平直径增大，水平经线Q值向负值减小方向变化。
With the increasing of horizontal diameter of cornea, the horizontal of Q value is more positive.
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