Why sleep with your eyes open?

Sleeping with eyes open, normal is due to the following reasons. First, is caused by facial nerve paralysis, facial nerve paralysis caused by orbicularis oculi muscle tension decline, sleep can not make eyelids completely closed, some patients even form complications such as exposure keratitis. Second, due to eyelid trauma, the formation of scar tissue, and then scar tissue contracture, resulting in eyelid can not be closed, normal need to undergo surgical treatment to release scar tissue, can be cured. Third, due to eye ptosis correction surgery done before, because the operation on the eyelid force is strengthened, and the force to close the eyelid and the force to lift the eyelid imbalance caused.