The inability to close an eye means a loss of protection for the cornea, which can lead to exposure keratitis (inflammation of the cornea), corneal ulceration, and potentially permanent vision loss. Eyelid weight placement, lower eyelid suspension, and brow ptosis (drooping or sagging of the eyelid) correction are frequently performed to protect the eye.

Researchers studied 37 patients with paralytic inability to completely close their eye who were assessed before and after surgery in America. The researchers used a patient-based system that measures impairment and disability in facial paralysis for evaluating quality of life issues in patients affected by facial paralysis. Overall, their quality of life improved significantly after surgery. Patients also reported a significant decrease in the amount of time their eye felt dry, irritated or scratchy. Two patients developed a bacterial infection of the skin and tissues beneath the skin in reaction to the eyelid weight, and one eyelid weight had to be removed.

In the overall treatment paradigm for patients with facial paralysis, treating the eye using this modality is simple, and not only improves corneal protection but also yields a significant subjective benefit, the researchers concluded.

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