Objective: to establish the measurement method of the normal orbital and optic canal by ct scanned, and to explore the clinical value of the orbital volume and its regressive equation.

目的：建立正常人眼眶及视神经管骨性径线ct测量的方法，探讨CT测量眼眶容积及其回归方程的临床意义。

youdao

Methods the cross sections of the optic nerve and the optic discs in 15 normal human eyes were examined with the use of a computerized image analysis system.

方法应用一种计算机图像分析系统对15只正常人眼视神经断面和视盘进行检测。

youdao

Along with the growth of age and body, optic axis gradually lengthens to the normal.

随着年龄及身体的增长，眼轴逐渐加长，至而渐趋正常。

youdao

The new fibre optic broadband would make internet speeds 10 to 40 times faster than normal.

BBC: Devon and Somerset sign up for 'superfast' broadband