Vitamin A is to create visual cells in order to feel weak light of the composition of rhodopsin, rhodopsin from opsin and 11 - cis - retinal composition, with the dark vision related.

维生素A是构成视觉细胞中感受弱光的视紫红质的组成成分，视紫红质是由视蛋白和11-顺-视黄醛组成，与暗视觉有关。

youdao

As the monkey looked at the face, blood vessels supplying nerve cells in the visual part of the monkey's brain transiently swelled in exactly the same pattern.

当猴子看到笑脸时，为其脑部视觉部分的神经细胞供血的血管会短暂隆起，其隆起模式与看到的图案惊人的一致。

youdao

In the visual cortex, where images are processed, cells are grouped by which part of the visual scene they analyze.

在处理图像的视觉皮层，根据所分析的部位，细胞被分类。

youdao

Scientists are also unsure about the quality of vision that could be restored from stimulating nerve cells alone, as, in normal circumstances, there is a sigificant amount of visual processing that occurs between the photoreceptors and the nerve cells.

BBC: NEWS | Health | Spinach may hold blindness cure

That is similar to the way the human visual system works, with particular clusters of nerve cells in the brain adapted to respond to, say, horizontal lines, or to lines that run on diagonals.

ECONOMIST: Machine vision: Seeing is believing | The