Methods PCCC was performed on 30 eyes of 18 infants with congenital cataract Results The eyes achieved a clear visual axis.

方法对18例（30眼）幼儿先天性白内障采用一期后囊环形撕囊。结果术后术眼均达到视轴区透明。

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This paper USES a method of stable platform to achieve visual axis stability, the vibrating on visual axis brought by mobile carrier.

针对载体运动会给视轴带来影响，提出利用稳定平台实现视轴的稳定。

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The length of the visual axis was the distance from the corneal vertex to the macular fovea, and it was also measured by A-mode ultrasound in sitting position with different ultrasonic velocity.

以角膜顶点至黄斑中心凹距离作为视轴长度，此连线上测量硅油后间隙的厚度。

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