英语语法分析

To discuss the mechanism of scleral expansion in therapying the presbyopia .

探讨巩膜扩张术治疗老视的机理。

Evaluate the difference between scleral tunnel incision and clear corneal incision.

评价隧道巩膜切口与透明角膜切口的疗效差异。

Retinal reposition depend on position, length and operation time of scleral rupture.

视网膜复位与巩膜裂伤的位置、长短及手术时间有关。