Doctor insights on:
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 moreSee 1 more doctor answer
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 moreSee 1 more doctor answer
Would you agree that vertical nystagmus would be obvious to an optometrist during a routine eye exam?
Not always: Nystagmus is the reaction of the eye to congenital low vision and optic nerve disease. It also occurs when the retinal vision is disturbed or too much light enters the eye. In these cases it might be a little protective to prevent burning the retina from outside light. Some of it simply occurs with no obvious pathology and in these cases the function is unknown. ...Read more