Blind people who have some light perception are able to synchronise their circadian rhythms to the light-dark cycle.

一些具有光感的盲人可以依据昼夜循环来同步他们的昼夜节律。

That number of less than 15% of blind people have no light perception–it surprised me.

少于15%的盲人没有光感-这让我感到惊讶。

You know, it's only something like 10% or 15% of blind people have no light perception.

您知道， 只有大约10%或15%的盲人没有光感知。

But those who have no light perception at all… well, let's listen now to Debra Skene, Professor of Neuroendocrinology at the University of Surrey.

但有些盲人一点光感也没有。我们来听听萨里大学神经内分泌学教授黛布拉·斯科纳的看法。

Age 11, I lost my right eye, and age 17 I lost my left eye, and now I only have a bit of light perception.

11 岁时，我失去了右眼，17 岁时，我失去了左眼，现在我只能感知一点点光。