Word parts
What it means
Double vision. When it goes away with one eye covered, the eyes are not lined up, often because a nerve or muscle that moves the eye is not working, as in stroke, myasthenia gravis, multiple sclerosisMUL-tih-pul skluh-ROH-sisA long-term disease in which the immune system damages the protective covering of nerves in the brain and spinal cord.scler/o hard-osis conditionFull entry or a head injury. When it stays with one eye covered, the problem is in that eye itself, such as a cataract.
For the nurse
New, sudden double vision should be reported at once, as it can be a sign of a stroke or rising pressure in the skull. For safety, an eye patch on one eye (changed between eyes as ordered) can reduce falls.
At a glance
| Everyday words | double vision |
|---|---|
| Spanish | diplopía |
Related terms
multiple sclerosis
A long-term disease in which the immune system damages the protective covering of nerves in the brain and spinal cord.
photophobia
Discomfort or pain in the eyes caused by light; sensitivity to light.
nystagmus
Rapid, repeated movements of the eyes that the person cannot control, side to side, up and down, or in circles.