来自拉丁语opticus,眼睛的，来自希腊语ops,眼睛，来自PIE*okw,看，词源同eye,ocular,biopsy.

1. The reason for this is that the optic nerve is a part of the brain.

这其中的原因在于视神经是大脑的一部分。

2. But with fiber - optic cables, television will become truly interactive.

但是,有了光纤电缆, 电视就可以真正成为交互式的.

3. Retinal hemorrhage, and blurring of the optic dise cause visual disturbances.

视网膜出血及神经盘模糊等可导致视力障碍.

4. We first take up the subject of optic ray propagation through a variety of optical media.

首先研究光束通过各种光学介质的传播问题.

5. Crystals of this type , having only one optic axis, are called uniaxial crystals.

这种只有一根光轴的晶体称为单轴晶体.