哈佛医学院表示，蓝光对眼睛有害，因为蓝光会杀死我们视觉所需的感光细胞。
Blue light is bad for our eyes, as it can kill the photoreceptor cells we need for vision, according to Harvard Medical School.
这些视蛋白通常在眼睛里有感光功能。
它引用的事实是：在眼睛后部视网膜上的感光细胞是大脑的直接延伸。
It exploits the fact that the light-sensitive cells in the retina at the back of the eye are a direct extension of the brain.
左边那张是多数普通数码相机照出的效果，要么非常的亮，要么非常的暗，它不能像你的眼睛一样有很广的感光范围。
At left, you can see that most digital cameras struggle when there are very bright brights and very dark darks in the same photo; they don’t perceive as wide a range of brightness as your eye does.
有一个好例子是眼睛中的盲点——视网膜中不含感光细胞的点。
One well-known example of this is the blind spot in the eye, which is a point in the retina which contains no sensory cells.
每一个感光元件都有自己的电极，这些电极与视网膜中的被称为极性细胞的神经细胞联结，这些细胞是眼睛与大脑连接中的第一个传输单元。
Each sensor has its own microelectrode, and these are placed in contact with nerve cells in the retina, called bipolar cells, the first step on the pathway from the eye to the brain.
现在我觉得非常晕，我的眼睛不知怎么的非常感光。
I feel quite dizzy now and my eyes are somehow very light-sensitive.
老鼠和人类的眼睛都有三种可以感光的感受器。
Mice, and humans, have three types of light-detecting receptor in the eye.
果蝇的SINA蛋白在眼睛R7感光细胞命运决定过程中起着关键的作用。
SINA protein is critically involved in regulating the cell fate decision of R7 photoreceptor cell in Drosophila eyes.
这是手术最危险的部分，因为可能会损害眼睛后面的那层薄薄的感光细胞。
This is the most risky part of the operation, as there is a danger of damaging the tissue-thin layer of light-sensitve cells at the back of the eye.
眼睛后方，存在一种包含数百万感光神经细胞的薄层组织，我们称之为杆状细胞、圆锥细胞。
In the back of your eye there is a thin layer of tissue that contains millions of tiny light-sensing nerve cells called rods and cones. Cones respond to specific wavelengths of light.
记住你的眼睛有1.3亿感光器（细胞）。他们能够神奇地把眼前景象反射到你大脑皮层内的视觉中枢。
Remember those 130 million light receivers in each of your eyes, and their magic ability to flash that scene to your visual cortex.
记住你的眼睛有1.3亿感光器（细胞）。他们能够神奇地把眼前景象反射到你大脑皮层内的视觉中枢。
Remember those 130 million light receivers in each of your eyes, and their magic ability to flash that scene to your visual cortex.
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