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A disorder characterized by double vision.



a disturbance of vision consisting in the doubling of seen objects. Most often diplopia occurs when there is weakening (paresis) or paralysis of one of the oculomotor muscles, when coordinated, harmonious movements of the eyeballs are disrupted, as a result of which the image of the observed object falls on noncorresponding (located at various distances from the macula lutea) points of the retinas of both eyes. In diplopia binocular vision is always disturbed. Diplopia disappears when one eye is closed. Rarely (for example, after trauma, when there is detachment of the root of the iris and two so-called pupils are formed, and when there is subluxation of the crystalline lens), monocular diplopia—when the same object yields two images in one eye—may occur. When the other eye is closed the doubling does not cease. Investigation of diplopia is valuable in identifying paralyses of the oculomotor muscles, which occur frequently even with some constitutional diseases (encephalitides and cerebral hemorrhages, for example).


References in periodicals archive ?
A sudden onset of double vision also may indicate a serious concern such as tumor, stroke or ruptured blood vessel in the brain (aneurysm.
Further tests depend on whether the double vision is monocular or binocular but may include a CT scan or an MRI.
Recently it began to grow again, causing her to have a drooping eyelid and double vision.
Monocular diplopia is double vision in one eye - this continues even when you completely cover the unaffected eye.
Drooping of the eyelid and double vision are often early symptoms, as the eye muscles are in constant use.
If the nerve damage is more extensive and does not resolve within six to 12 months, then eye muscle surgery can help restore a normal eye alignment and resolve the double vision.
Chairman George Parsisson, from Upper Denby, said: "We decided to target opticians first because one of the early stages of the disease affects the eyes with double vision and drooping eyelids.
The cool night encouraged dancing to the music of Double Vision.
24, 2003, attack, saying it broke his left eye socket, shortened his memory, gave him double vision and depression, and ended his career after less than two seasons.
Skipper Jason Forster left the field with double vision midway through the first period and it took 10 minutes before replacement Rhys Oakley joined the fray, by which time Newcastle had opened their try account through Welsh international flanker Colin Charvis.
2-4) Local invasion can lead to orbital signs and symptoms such as proptosis or double vision.
Her 10th and latest novel, Double Vision, deals with our relationship with the imagery of modern conflict.