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Diplopia

**{{{Name|Diplopia}}}**
[[Image:{{{Image}}}\|190px\|center\|]] {{{Caption\|}}}
ICD-10	H53.2
ICD-O:	{{{ICDO}}}
ICD-9	368.2
OMIM	}}}
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Diplopia, colloquially known as double vision, is the perceptionof two images from a single object. The images may be horizontal, vertical, or diagonal ^{[{{fullurl:Template:FULLPAGENAME}}#endnote_Cassin]}.

Inhaltsverzeichnis

1 Binocular diplopia
2 Monocular diplopia
3 Temporary diplopia
4 Treatment for binocular diplopia
5 References
6 See also
7 External links

Binocular diplopia

Double vision can occur when the two eyes are not correctly aligned while aiming at an object. When the eyes are misaligned and aimed at different targets, two non-matching images are sent to the viewer's brain. When the viewer's brain accepts and uses two non-matching images simultaneously, double vision results.

Double vision is dangerous to survival, therefore, the brain naturally guards against its occurrence. In an attempt to avoid double vision, the brain can ignore one eye (suppression). Due to the brain's ability to suppress one eye, double vision can appear to go away without medical evaluation or treatment. The causes of the double vision are very likely still present and loss of vision in one eye can occur due to lack of treatment. The loss of vision in one eye can be temporary or permanent depending on detection and treatment. It is in this way, that diplopia contributes to loss of depth perceptionand binocular vision, amblyopia(lazy eye), and/or strabismus(deviating eye).

Monocular diplopia

Diplopia can also appear in only one eye; this is called monocular diplopia. In that case, the multiple vision can be caused by a structural defect in the vision system, such as in the lens.

Temporary diplopia

Temporary diplopia can also be caused by intoxicationfrom alcoholor head injuries, such as concussion. If temporary double vision does not resolve quickly, see an eye doctor immediately.

Treatment for binocular diplopia

Treatment for binocular diplopia includes prismlensesand/or vision therapy. Daily wear of prism lenses is the passive compensatory treatment. Vision therapy is an active treatment which retrains the visual and vestibular systems (brain, eye muscles, and body). Vision therapy may eliminate the need for daily wear of prism lenses.

References

^ Cassin, B. and Solomon, S. Dictionary of Eye Terminology. Gainsville, Florida: Triad Publishing Company, 1990.

External links

Common Cause of Double Vision
All About Double Vision
All About Lazy Eye
FAQ -- Eye Muscle Surgery Information
Brain Injuries and Double Vision
Some more info about diplopia
Addtl info about diplopia
What is Stereovision?
What is Vision Therapy?
VisionSimulations.com | What the world looks like to people with various diseases and conditions of the eyede:Diplopie

fr:Diplopie

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It uses material from the http://en.wikipedia.org/wiki/Diplopia Wikipedia article Diplopia.

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