Doctor insights on:
Causes Of Vertical Nystagmus
Rotatory or vertical: Nystagmus is atypical; horizontal nystagmus, not always. A pediatric ophthalmologist looks for a small optic nerve/ small fovea, rod & cone abnormalities or visual impairment. If the retina looks normal, an electroretinogram is used to test rod & cone function. If there is even a tiny concern, neurological eval & neuroimaging are done. Fyi, by 3-4 mos. A neurotypical infant can fixate on objects. ...Read more
Do I understand correctly that vertical nystagmus is a symptom or condition that could be the result of numerous maladies?
I often have vertical nystagmus in the morning, but today morning I've experienced a horizontal one for the first time. What could this mean?
Be seen: You need to see your physician or neurologist for an exam and opinion. ...Read more
Could a vertical nystagmus, that happens sometimes early in the morning, indicate something about the symptoms/conditions listed on my profile?
Nystagmus refers to:
An oscillatory but not rhythmic ocular movements and has classically been divided into 2 broad categories based on the clinical appearance- pendular or jerk nystagmus.
Important? Include tempo of symptoms (sx), associated sx, and whether it is monocular/asymmetric binocular, or symmetric binocular oscillations. Both of the medications listed can cause/contribute. You need to talk with your doc. ...Read more
Not necessarily: Depending upon the intensity of the nystagmus as well as exactly how it gets activated a person may actually not notice too much going on in the peripheral or central visual fields. For instance if eyes are straight ahead and it's bearly perceptible you may not notice anything....However, at the moment your eyes look to one side, you may notice the fields of vision "jumping." why do you have it? ...Read more
My infant is 6 months old and has vertical nystagmus when a light source is flashed on her eyes. No other problems. Is it normal or pathological?
Vertical nystagmus: Usually prompts an evaluation to check for central nervous system causes. Horizontal nystagmus can be benign. You are close enough to the specialists at the yale child study center as well as their pediatric ophthalmologists, neurologists, etc. To seek second opinions/evaluations there for your baby. Best of luck in your search for answers for your little one. ...Read more
Would you agree that vertical nystagmus would be obvious to an optometrist during a routine eye exam?
Yes: It should be obvious to someone trained in eye disease. Optometrists have limited training in eye disease. ...Read more
Hunger control: VMH is responsible for satiety. It is involved in Fear, feeding, thermorehulation and sexual activity. Nystagmus has many causes : vestibular disease, MS, Myasthenia Gravis, Lack of Vit B1, commonly Ménière's disease, even Diabetes. Consult your Family Physician if you are experiencing abnormal movements of your eyes. ...Read more
Does exophoria cause nystagmus? I was diagnosed years ago with exophoria. I now realized I have nystagmus. Was never told before.
What conditions cause downbeat nystagmus in all direction of gaze? The DBN cause my vision to "slip" and see stationary objects slide.
Jerk nystagmus: The four most frequent identifiable causes of downbeat nystagmus are cervico-medullary junction anomalies (Chiari malformation), cerebellar degenerations, multiple sclerosis, and vertebrobasilar infarction. Medications and alcohol are other relatively common causes. Uncommon causes include B12 deficiency and familial. An MRI should be done if you have not had one yet. Treatment is dalfampridine. ...Read more
Probably not: Nystagmus from childhood brain or eye problems, sometimes with dramatic motion, does not cause a perception of what is viewed to be moving. Acquired nystagmus from injury or toxicity can cause a perception of environmental motion. The motion is linear in most cases and will not be perceived as wavy. Wavy lines are most commonly due to macular problems which your ophthalmologist can assess. ...Read more
Maybe: Dizziness is a very ambiguous and subjective word that can mean many things. Nystagmus is an objective finding. That means, a good doc can examine a patient and determine if they have nystagmus. It means the eyes are rhythmically moving in a particular direction. The direction and speed can be useful in making a diagnosis. Not all dizziness results in nystagmus as nystagmus usually means inner ear. ...Read more
Please repost: Please specify what kind of nystagmus you're referring to: horizontal, vertical, rotatory, downbeat, physiological, etc. Also please state what you mean by "metabolic disorders, " and whether you have looked up the "differential diagnosis" of nystagmus on your own. Finally, it would help if you stated why you are seeking the information. ...Read more
Complicated!: Balance is achieved by the brain coordinating eye input, inner ear input (telling brain where head is in space) and muscle input (keeping us upright). When one of the inputs is abnormal (inner ear, for example) we experience vertigo. Because the paths (eye, ear, brain) are all linked nystagmus (abnormal gaze fixation) can occur when the inner ear is affected by inflammation or infection. ...Read more
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