Nystagmus can be defined as the rapid and involuntary movement of the eyes in a back-and-forth, up-and-down or rotary motion that often decreases vision. Nystagmus can cause the eyes to jerk involuntarily. It is always cause for consultation with...
Nystagmus is the involuntary movement of the eyes in rapid motion, back and forth, up and down and/or in a rotary fashion. Nystagmus is often a symptom of a disease or condition, or a side effect of certain medications. Nystagmus is associated...
Nystagmus is a condition characterized by rapid, involuntary movements of the eyes, according to the University of Maryland Medical Center, or UMMC. These movements may be vertical, horizontal or rotary, and may affect one or both eyes. Nystagmus...
Nystagmus is the rapid, involuntary movement of the eyes in back-and-forth movements, up-and-down movements or rotary directions. The movements can be pendulum-like or jerky in fashion and can happen simultaneously in both eyes or in just a...
Nystagmus is a condition in which the eyes move involuntarily, usually side-to-side. This occurs normally when a child twirls in a circle for several minutes, but is otherwise considered pathological. Causes include but are not limited to head...
Nystagmus is an uncontrollable, repetitive and rapid movement of the eyes. When affected by nystagmus, either one or both of the eyes can move in a circular motion, up and down, or from side to side, according to MedlinePlus. Dysfunction in the...
Some people experience episodes of uncontrolled eye movement, causing the eyes to shift up and down, side to side or in a circular pattern. Causes include eye disorders, head injury or stroke, but in some cases, doctors cannot determine a cause....
The involuntary eye movement called nystagmus may be related to a number of factors including poor brain control of eye movement, very near or far sightedness, scarred retina or optic nerve, a brain tumor or neurologic disorder. It may be caused...
Medical researchers call uncontrolled motions of the eyes nystagmus. The condition can cause the eyes to have circular motion, to move down and up, or to move side to side in repetitive patterns. It can interfere with normal vision. Two...
Nystagmus, a condition in which the eye has rhythmic and involuntary movement or oscillation, is often caused by an underlying neurological or ocular disorder. Congenital, or infantile, nystagmus will appear in the first few months of life and...
The are many medical conditions associated with nystagmus. According to the U.S. National Library of Medicine and the National Institutes of Health or NIH, nystagmus is the rapid, involuntary movement of a person's eyes from side to side, up and...
Nystagmus refers to a condition in which the eyes shift back and forth rapidly. MedlinePlus says that the eyes can shift up and down (vertical nystagmus), side to side (horizontal nystagmus) or in circles (rotary nystagmus). Sometimes, this...
Imagine watching a tennis match in fast forward with only your eyes. Your eyes would bounce back and forth in an attempt to watch the ball. When this motion happens without your control, it is referred to as nystagmus. Nystagmus is a bouncing of...
Nystagmus is a condition that is characterized by rapid, uncontrollable eye movements. These eye movements may be vertical, horizontal or rotary, according to the University of Maryland Medical Center. Nystagmus may be caused by inner-ear...
Nystagmus is an involuntary eye movement disorder that includes uncontrollable rapid eye activity from side-to-side, up and down or in rotational directions, in one or both eyes. Caused by abnormal brain functions, nystagmus is either present at...
Involuntary eye movement, a condition called nystagmus, causes the eyes to move in uncontrollable patterns. The eyes may move vertically, horizontally or in a circular motion. Some children have nystagmus at birth, but involuntary eye movement may...
Eyes normally move only in response to stimuli or direct commands from the brain. If severe, rapid involuntary eye movements may interfere with vision. Rapid eye movement, or REM, can occur as a natural process or as a symptom of disease. It may...
Nystagmus, the medical term for unintentional eye movements, has many causes. Unintentional eye movements are are usually bilateral--most often go from side to side--but can also go up and down or rotational, in a circle. Unintentional eye...
Eye jerking, a condition known as nystagmus, is a condition that may occur in one or both eyes. These involuntary eye movements may stem from neurological conditions, inner ear problems, injury or medications. Some people may have a congenital...
Involuntary eye movement, a condition doctors refer to as nystagmus, causes the eyes to move up and down or side to side. Some people experience circular eye movement as well. People with nystagmus might not realize their eyes move unless the eyes...
Benign Paroxysmal Positional Vertigo (BPPV), also known as benign postural vertigo or positional vertigo, occurs when the balance-sensing mechanism of the inner ear malfunctions, producing an illusion of movement of the body or the surroundings....
Your child's eyes and brain work together in order to provide her with sight. Beginning at birth, her ability to move her eyes back and forth will start to develop. However, you may notice abnormal eye movements during her childhood that can...
Eye jitter is also referred to as twitching, spasms or nystagmus. The cause of eye jitter varies depending on precipitating factors such as an underlying medical condition, use of substances or minor irritations. MayoClinic.com notes that any...
Disorders of the eye can be caused by infection, injury or complications from diseases of other organs, such as the brain or blood vessels. In addition to these influences, genetics play a role in predetermining a person’s susceptibility to...
Abnormal eye movements impact a person's appearance and visual function. The eyes may oscillate side to side---a condition called "nystagmus." Alternatively, the motion may be restricted or jerky, or the eye may appear to be wandering. Many...
Stress not only causes emotional strain, but the body may physically react to stress as well. In response to significant or long-term stress, a person will have a greater risk for serious health problems such as heart disease, obesity, difficulty...
A congenital eye disease is a disease of the eye that is present at birth. There are several conditions that can cause congenital eye diseases, including Down syndrome, dysplasia syndrome and chondrodysplasia syndrome. In some cases, patients may...
The muscles of the ocular system control the movement of the eyes and the eyelids. There are several disorders of the eye muscles that can cause the eyes to not move correctly or in unison or that can cause the eyelids to droop into the field of...
Multiple sclerosis, or MS, results from damage to the myelin sheath, which covers part of the neuron. Without the proper myelin sheath, communication from and to the brain becomes affected. According to 2008 information from the Merck Manual Home...
Vertigo is often related to problems in the mechanics of the inner ear. Learn more about vertigo in this medical video.
