Vitamin C

• Homophones: c, see (c 和 see 同音)

Vitamin C supports the health of blood vessels in the eye. 維生素C對眼睛水晶體、視網膜，有保護的功能。

Bats are not blind and can in fact see quite well using their eyes.
俗諺 「as blind as a bat」 (像蝙蝠一樣瞎)。事實上，蝙蝠的視力非但不差，而且還算是非常好。