its facial palsy induced lagophthalmas .use eye drops refresh tears or genteal or systane ultra 6 times a day. eye ointment lacrygel at bedtime and even you cN close lids wiyh a tape at bed time after putting eye ointment.
Next Steps
consult neurologist and cardiologist immediately to start treatment. normally it takes min 2 weeks to recover.
Health Tips
not delay it might damage the black eye cornea and infect it also