Weakness or paralysis of one half of the face is usually due to an unknown presumed to be viral illness affecting the facial nerve. It is frequently self-limiting but may require treatment with steroids to speed up recovery.
Failure of the eye to close properly can lead to corneal exposure and risk of ulceration. The condition is jointly managed by neurologists and ophthalmologists. Corneal protection is provided with lubricant eye ointments/ drops. In some cases temporary closure of the lids simply with a tape or stitches may be necessary to protect corneal complications.