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Diplopia (pronunciation: /dɪˈləʊpɪə/), also known as double vision, is a medical condition characterized by the perception of two images of a single object. This condition can occur either some or all of the time, depending on its cause.


The term "diplopia" comes from the Greek words "diploos" meaning double and "ops" meaning eye.


Diplopia can be caused by a range of conditions, including:

  • Strabismus: This is a condition in which the eyes do not properly align with each other when looking at an object.
  • Cranial nerve palsy: This is a group of disorders that result from damage to one of the cranial nerves, which can affect eye movement and cause diplopia.
  • Multiple sclerosis: This is a potentially disabling disease of the brain and spinal cord, which can cause diplopia among other symptoms.
  • Diabetes: High blood sugar levels can damage nerves, including those that control eye muscles, leading to diplopia.


The primary symptom of diplopia is seeing double images. These images can be horizontal, vertical, or diagonal. The double vision can be constant or it may come and go.


Treatment for diplopia depends on the cause. It may include:

  • Eye exercises: These can help to strengthen the eye muscles and improve coordination.
  • Surgery: In some cases, surgery may be required to correct the underlying cause of the diplopia.
  • Medication: Certain medications can help to manage the symptoms of conditions that cause diplopia.

See also

External links


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