Cosmic rays that hit the optic nerve create this effect.

宇宙射线撞击视觉神经会产生这种效果。

So, the lack of oxygen killed my optic nerve.

所以，缺氧杀死了我的视神经。

Followed by the optic nerve, which does the same, but with visual data.

接着是视神经，它也是这么做的，只是用视觉数据实现而已。

The optic nerve is very large, too, and the eye socket is very large.

视神经很大，眼窝也很大。

The disease can affect a person’s brain, spinal cord, and optic nerves in the eyes.

此疾病会影响大脑、脊髓及眼部的视神经。

For example, our eyes have blind spots where the optic nerve blocks part of the retina.

例如，我们的眼睛有盲点，此处的视神经会阻挡部分视网膜。

The scan revealed a tiny bone fragment that may be putting pressure on the optic nerves.

扫描发现有个小骨碎片挤压了视觉神经。

On rare occasions, there can also be other types of eye inflammation, including involvement of the optic nerve itself.

在罕见的情况下，还可能出现其它类型的眼部炎症，比如视神经病变。

It ripped the optic nerves off my left eye and there was catastrophic compression damage to the right eye.

它撕裂了我左眼的视神经，对右眼造成了灾难性的压迫损伤。

Papilledema is the swelling of the optic disc, which is the point where the optic nerve fibers leave the retina.

视神经乳头水肿是指视盘的肿胀，视盘是视神经纤维离开视网膜的部位。