What is the reason for red eyes in patients with facial paralysis?

Patient's question:

I have a friend who is only 30 this year. Recently, he felt his eyes were twitching a lot, and when he went for a check-up, he was diagnosed with facial paralysis. What are the reasons for red eyes in facial paralysis patients?

Doctor's answer:

The facial nerve, in addition to controlling the orbicularis oculi muscle, also has a function to close the eyes. If a patient has a large eye fissure, they should not close their eyes or blink, especially during deep sleep, as prolonged exposure can cause the conjunctiva to dry out. This can easily lead to eye infections, and in severe cases, it can harm vision. Facial nerve treatment requires a long time. In addition to understanding nerve treatment, it also requires prolonged examination. Wishing the patient a speedy recovery and good health!

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