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Neuro-Ophthalmology
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This subspecialty area deals with non-glaucomatous disorders of the optic nerve, eye movements, visual tract, and brain.
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There were 22 articles found in this category:
 Visual Field Testing (neuro)
Visual field testing is a critical part of the neuro-ophthalmic exam and is essential for the evaluation of unexplained visual loss. A visual field test measures all areas of your eyesight, including your side, or peripheral, vision. This crucial test helps your ophthalmologist (Eye M.D.) deter ...
- Parálisis de Bell
La Parálisis de Bell, conocida como Parálisis Facial Periférica, es un desorden del nervio facial. Esta condición causa parálisis parcial en un lado de la cara, afectando los músculos de la expresión facial. La parálisis de Bell ocurre gen ...
- Traumatic Optic Neuropathy
Traumatic optic neuropathy is the sudden, severe loss of vision following blunt injury to the eye or areas surrounding the eye. The optic nerve can be damaged by the blow itself, or as a result of other damage sustained by the eye. Vision loss can be immediate or may take days, weeks, or even m ...
- Stroke
A stroke is a life-threatening emergency in which the blood supply to the brain is interrupted or severely reduced, depriving it of oxygen and killing brain cells. Quick treatment could save your life and minimize damage to your brain. Major causes of stroke include: high blood pressure; hi ...
- Pseudotumor Cerebri
Pseudotumor cerebri (PTC) is a condition in which the pressure from the cerebral spinal fluid inside your head is elevated. This can cause problems such as headaches, blurred vision, or loss of vision. The condition is known as pseudotumor cerebri because symptoms can mimic those of an intracra ...
- Posterior Occipital Neuralgia
Posterior occipital neuralgia is pain originating from the base of your skull that often wraps around to the front of the head and behind the eyes. The pain is due to inflamed or damaged occipital nerves in your neck. Pain can be severe and chronic and can affect one or both sides of your head. ...
- Orbital Inflammatory Pseudotumor
Orbital inflammatory pseudotumor is characterized by inflammation within the orbit, or eye socket, that mimics symptoms similar to a tumor in the same site. The cause is still unknown. Orbital inflammatory pseudotumor usually occurs in only one eye. Symptoms may include: red eye; bulging ey ...
- Optic Neuritis
Optic neuritis is a condition characterized by inflammation of the optic nerve. This nerve is the pathway that carries impulses from the retina in the back of the eye to the brain and enables the brain to interpret the impulses as images. If the nerves are damaged, vision is greatly affected. T ...
- Myasthenia Gravis
Myasthenia gravis (MG) is a disorder characterized by weakness of the muscles under your voluntary control. MG is caused by a communication breakdown between your nerves and muscles due to an autoimmune condition that has damaged receptors on your muscles. Your autoimmune system is producing an ...
- Multiple Sclerosis
Multiple sclerosis (MS) is an autoimmune disease that causes your body to produce antibodies that mistakenly attack the myelin sheath protecting your nerve tissue. This chronic central nervous system disorder damages the nerves and causes the gradual loss of muscle control, strength, and vision ...
- Migraine
Migraine headache is a common neurological condition that occurs in about 20% of the population and in 50% of women. It is not clear how a migraine works, but it is believed that the basic cause is an abnormality of serotonin, which is a chemical used by the brain cells. During a migraine, chan ...
- Microvascular Cranial Nerve Palsy
Microvascular cranial nerve palsy (MCNP) is one of the most common causes of double vision in older people. It occurs more often in patients with diabetes and high blood pressure and is often referred to as a “diabetic” palsy. MCNP occurs when the blood flow is blocked to one or mo ...
- Ischemic Optic Neuropathy
Ischemic optic neuropathy, a condition caused by restricted blood flow to the optic nerve, is the sudden loss of vision in one or sometimes both eyes. It primarily affects the elderly. There are two forms of ischemic optic neuropathy, caused by differing underlying conditions. Nonarteritic isc ...
- Hemifacial Spasm
Hemifacial spasm (HFS) is a condition that causes involuntary contractions of the muscles on one side of the face. The disorder occurs in both men and women, usually beginning in middle age. Symptoms often begin as a twitching of the eyelid and may gradually spread to involve the muscles of the ...
- Headache
Headaches are one of the most common health complaints. They are caused by a variety of factors and can be divided into the following groups: Tension-type headaches This is the most common type of headache. The pain may be felt in the forehead, temples, neck, or around the eyes. Doctors are un ...
- Giant Cell Arteritis
Giant cell arteritis (GCA), also known as temporal arteritis, is a chronic inflammation of the lining of medium- and large-sized arteries. The cause of giant cell arteritis is unknown. Left untreated it can lead to blindness. Treatment should be initiated as soon as the diagnosis is suspected. ...
- Functional Visual Loss
Functional visual loss is an apparent loss of vision with no sign of a structural abnormality in the eye. If your ophthalmologist (Eye M.D.) suspects that you have functional visual loss, you will need to have a complete eye examination to rule out possible underlying causes of your vision loss ...
- Diplopia
Diplopia is double vision caused by a problem with the muscles that control the eye or the nerves that stimulate those muscles. Many conditions can cause diplopia. Double vision is usually a symptom of strabismus (misalignment of the eyes), due to the improper movement of one or more eye muscle ...
- Blepharospasm
Blepharospasm is an involuntary contraction and spasm of the eyelid muscles that causes your eyes to squeeze shut. Blepharospasm is more common in women and usually appears after the age of 50. Generally, one will notice that one’s eyes are blinking and twitching more often. On occasion, ...
- Bell's Palsy
Bell’s palsy is a disorder of the facial nerve, the seventh cranial nerve. This condition causes partial paralysis on one side of the face, affecting the muscles of facial expression. Bell’s palsy usually occurs in adults and develops suddenly. Symptoms of Bell’s palsy includ ...
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