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Nystagmus is a condition characterized by rapid, involuntary, rhythmic movements of the eyes. These movements can be horizontal, vertical, or rotary. Nystagmus is a neurological sign, meaning it arises from a problem in the part of the brain or inner ear that controls eye movement and position.
read more about nystagmus ...Nystagmus can be present from birth or acquired later in life.
Nystagmus is categorized by when it starts and the type of movement.
The constant movement of the eyes reduces visual acuity (sharpness) and can interfere with depth perception. The brain tries to stabilize the image, which can lead to a condition called oscillopsia, the illusion that the surrounding world is constantly moving.
Treatment focuses on managing the cause or improving visual function. Some people find clarity by turning their head to a specific angle (null point). Corrective lenses can improve clarity. In some cases, specialized surgery or medications can reduce the severity of the eye movements.
The underlying cause of acquired nystagmus may be treatable, but congenital nystagmus is often managed, not cured.
It can be associated with inner ear balance issues, which often cause dizziness or vertigo.
Yes, reduced visual acuity and difficulty tracking can make driving unsafe, depending on severity.
If you notice your eyes "shaking" or dancing uncontrollably, especially if this is a new symptom, consult a neuro-ophthalmologist. New-onset nystagmus can be a sign of a neurological issue or a side effect of medication that requires investigation.
American Nystagmus Network. What is Nystagmus? (nystagmus.org). 2024.
AAO. Nystagmus: Causes and Treatment (aao.org). 2024.
Mayo Clinic. Nystagmus symptoms & causes (mayoclinic.org). 2024.
AOA. Nystagmus and Binocular Vision (aoa.org). 2024.