The passerine is night blindness in western medicine. It can be seen in today's retinitis pigmentosa and vitamin A deficiency.
On the Causes of Diseases (Volume 28): "People's eyes are bright during the day, but when they arrive, they can't see anything. What the world calls bird's eyes, if they are like bird's eyes, they can't see anything. "
The Origin of Miscellaneous Diseases and Rhinoceros Candles Volume 22: "Bird watchers don't see at sunset."
Huang Qingting respects "The Great Success of Eyes": "This proves that the world is blind, and one bird is blind ... I will see you again at night."
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