In most of the cases this happens due to a condition called as Bell's palsy. Facial nerve passes on it's way out of the skull through the internal ear. Here it is compressed in most cases. The patient usually has runny nose or else some cold related symptoms. The symptoms usually resolve in three weeks. There can be other causes of facial paralysis, in which case the nerve is pressed.
The nerves involved in diplopia include three cranial nerves: the oculomotor nerve (third cranial nerve), the abducens nerve (sixth cranial nerve), and the trochlear nerve (fourth cranial nerve).
The cranial nerve involved in raising the eyelids is the oculomotor nerve (cranial nerve III). For focusing the lens of the eye for accommodation, the oculomotor nerve controls the ciliary muscle.
Smell impulses are carried by the cranial nerve called the olfactory nerve (cranial nerve I). It is responsible for transmitting information about odors from the nose to the brain.
The second cranial nerve is the optic nerve.
The cranial nerve that supplies motor action to the muscles of mastication is the mandibular branch of the trigeminal nerve, also known as cranial nerve V3. This nerve innervates the major muscles involved in chewing, including the masseter, temporalis, and pterygoid muscles. It plays a crucial role in the process of mastication by facilitating jaw movement.
The Facial Nerve or Cranial Nerve VII is the nerve involved with Bell's Palsy.
Damage to the facial nerve (cranial nerve VII) can result in drooping of the mouth on one side, a condition known as facial paralysis or Bell's palsy. This nerve controls the muscles of facial expression, including those involved in smiling, frowning, and closing the eyes.
The optic nerve (cranial nerve II) is not involved in taste, as its primary function is vision. Taste is primarily mediated by the facial nerve (cranial nerve VII), glossopharyngeal nerve (cranial nerve IX), and vagus nerve (cranial nerve X).
The spinal accessory nerve (cranial nerve XI) is involved in hyperextending and flexing the neck. This nerve innervates the trapezius and sternocleidomastoid muscles, which are involved in these movements.
Trigeminal (5th) cranial nerve
It is the 7th cranial nerve (facial nerve).
VII the cranial nerve or the Facial
The nerves involved in diplopia include three cranial nerves: the oculomotor nerve (third cranial nerve), the abducens nerve (sixth cranial nerve), and the trochlear nerve (fourth cranial nerve).
The Vagus nerve
Cranial nerve 9: glossopharyngeal
Trigeminal neuralgia is a rare disorder of the sensory fibers of the trigeminal nerve (fifth cranial nerve), which innervate the face and jaw. The neuralgia is accompanied by severe, stabbing pains in the jaw or face.
The Facial Nerve or Cranial Nerve VII is the nerve involved with Bell's Palsy.