Another theory suggests that tears leaking into the nose through the nasolacrimal duct are a cause of the photic sneeze reflex.

另一个理论认为，把鼻子眼泪通过鼻泪管泄漏是一种光的反射引起喷嚏。

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Another theory suggests that tears leaking into the nose through the nasolacrimal duct are a cause of the photic sneeze reflex.

另一个理论认为，把鼻子眼泪通过鼻泪管泄漏是一种光的反射引起喷嚏。

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