The light sensing rods and cones in your eyes are neurons called photoreceptors.

人眼中的视杆细胞和视锥细胞是一种叫做光感受器的神经元。

We've got hundreds of millions of those light sensing cells in our eyes.

我们的眼睛里有上亿个感光细胞。

Finally, in the retina, the light sensing part of the eye, hamartomas can form.

在眼睛的视网膜上，同样可以形成错构瘤。

We use the center of the light sensing part of our eye to make out detail and color.

我们使用眼睛的光感应部分的中心来识别细节和颜色。

But I say rest in the lightest sense of  the word.

但我说的是休息这个词最轻的意思。

That showed that they have what's called an extra ocular light sense in their tail.

——这表明它们的尾部拥有所谓的额外眼光感官。