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Encyclopedia > Diplopia
Diplopia
ICD-10 H53.2
ICD-9 368.2

Diplopia, commonly known as double vision, is the perception of two images from a single object. The images may be horizontal, vertical, or diagonal [1]. The following codes are used with International Statistical Classification of Diseases and Related Health Problems. ... The following is a list of codes for International Statistical Classification of Diseases and Related Health Problems. ... PSYCHOLOGY In psychology and the cognitive sciences, perception is the process of acquiring, interpreting, selecting, and organizing sensory information. ...

Contents


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), this suppression can only occour in Children.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 perception and binocular vision, amblyopia (lazy eye), and/or strabismus (deviating eye). Depth perception is the visual ability to perceive the world in three dimensions. ... Binocular vision is vision in which both eyes are used synchronously to produce a single image. ... Amblyopia, or lazy eye, is a disorder of the eye. ... Strabismus prevents bringing the gaze of both eyes to the same point in space Strabismus, also known as heterotropia, squint, crossed eye, wandering eye, or wall eyed, is a disorder in which the eyes do not point in the same direction. ...


Monocular diplopia

Diplopia can also occur when viewing with only one eye; this is called monocular diplopia, or where the patient perceives more than two images, monocular polyopia. In this case, the multiple vision can be caused by a structural defect in the vision system, such as cataracts or subluxation of the lens. Human eye cross-sectional view. ... In medicine, a subluxation is an incomplete or partial dislocation of a joint or organ [1]. A dislocation of any joint would usually need medical attention to help relocate the joint, however with a subluxation the patient will report of a joint dislocating which then relocates by itself. ... Light from a single point of a distant object and light from a single point of a near object being brought to a focus by changing the curvature of the lens. ...


Temporary diplopia

Temporary diplopia can also be caused by intoxication from alcohol or head injuries, such as concussion. If temporary double vision does not resolve quickly, see an eye doctor immediately. ... In chemistry, an alcohol is any organic compound in which a hydroxyl group (-OH) is bound to a carbon atom of an alkyl or substituted alkyl group. ... Your brain floats within your skull surrounded by cerebrospinal fluid (CSF). ...


Treatment for binocular diplopia

Treatment for binocular diplopia includes prism lenses and/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. If a shaft of light entering a prism is sufficiently small such that the coloured edges meet, a spectrum results In optics, a prism is a device used to refract light, reflect it or break it up (to disperse it) into its constituent spectral colours (colours of the rainbow). ... A lens. ... Vision therapy, also known as visual therapy or visual training, is a broadly-defined set of treatment programs related to the improvement of visual health and comfort. ...


References

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

See also

Amblyopia, or lazy eye, is a disorder of the eye. ... Binocular vision is vision in which both eyes are used synchronously to produce a single image. ... Orthoptics, which literally means straightening of the eyes, dates back to the 1850s. ... Strabismus prevents bringing the gaze of both eyes to the same point in space Strabismus, also known as heterotropia, squint, crossed eye, wandering eye, or wall eyed, is a disorder in which the eyes do not point in the same direction. ... Vision therapy, also known as visual therapy or visual training, is a broadly-defined set of treatment programs related to the improvement of visual health and comfort. ...

External links


  Results from FactBites:
 
eMedicine - Diplopia : Article by Izak F Wessels, MBBCh, MMed, FRCSE, FRCOphth, FACS (4340 words)
Diplopia is a common subjective complaint, or it may be elicited during the course of the examination.
Physiologic diplopia is a normal phenomenon depending on the alignment of the ocular axes with the objects of regard (eg, focusing on a finger held close results in distant objects being blurry but double).
Monocular diplopia may occur from abnormal ocular media (eg, corneal distortion or scarring, multiple openings in the iris, cataract or subluxation of the natural lens or pseudophakic lens implant, vitreous abnormalities, retinal conditions).
Diplopia - Wikipedia, the free encyclopedia (368 words)
Diplopia, colloquially known as double vision, is the perception of two images from a single object.
It is in this way, that diplopia contributes to loss of depth perception and binocular vision, amblyopia (lazy eye), and/or strabismus (deviating eye).
Temporary diplopia can also be caused by intoxication from alcohol or head injuries, such as concussion.
  More results at FactBites »

 
 

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