Bell's palsy There are many different causes of Facial Nerve Palsy. However, the commonest cause of unilateral facial paralysis is the idiopathic variety known as Bell's palsy. - Facial Scoliosis - Lagophthalmos - Ectropion - Epiphora - Hyperacusis - Loss of Corneal Reflex - Ptosis #Bells #Palsy #Neurology #Signs #Symptoms #Diagnosis