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1·Each lens consists of an outer lens with a corrective distance prescription, and a flexible inner lens.

每一个镜片包含一片校正过距离的外镜和一片可变焦的内镜。

2·Ultrosonography ha corrective diagnosis for posterior segment trauma and provide the part of proof for anterior chamber depth and lens injury.

超声对眼后段伤诊断准确，对前房深浅、晶体损伤可提供部分声像佐证。