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News » Strabismus: Causes and symptoms of the most common visual disorder among children
Strabismus: Causes and symptoms of the most common visual disorder among children
Strabismus consists in a peculiar physiological condition for which the visual axes of the eyes are not aligned. In normal condition the eyes point to the same object, the images are projected onto the retina at very specific points that allow a perfect fusion of the images in the brain. But when the images stimulate retinal points mismatched, the brain can not fuse them: the effect is to cause confusion (overlapping objects) or diplopia (the same object is perceived in two different places).
Strabismus: children are the most affected
Strabismus affects about 4% of children. And \'appropriate to an earlier treatment can not intervene at an early age can indeed cause permanent amblyopia.
The causes of strabismus, in small, are often due to eye abnormalities, but also to a hereditary factor. For children already from the fourth month of life the possible presence of symptoms related to strabismus can be deduced from their inability to follow objects with both eyes.
A careful eye examination is in any case able to determine if you are in the presence of true strabismus in children, we remember that this disease can also be diagnosed in the first few months of life.
types of strabismus
The most frequent strabismus in children is called "concurrent".
To distinguish in "converged" (deviated eye inward) or "divergent" (deviated eye to the outside). There is also also a squint "vertical" to distinguish in "ipertropia" (deviated eye to the other) and "ipotropia".
In the elderly strabismus manifests as "inconcomitante (paralytic)" and is caused by the inefficiency of an eye muscle caused by nerve injury, traumatic or inflammatory nature. Often, in this situation, the eyes have a squint that you go accentuating the position where it should act the paralyzed muscle.
Symptoms related to strabismus and treatment
Diplopia, that is precisely the significant visual impairment in the vision of two images, is certainly the main symptom related to strabismus.
At this, frequently, they accompany other symptoms such as dizziness, tendency to tilt your head and orientation difficulties.
Some people keep one eye closed to avoid the hassle caused by the double vision.
The treatment of strabismus varies depending on the characteristics of the individual who is affected.
In children, when strabismus manifests as a result of amblyopia the eye that sees well it can be blindfolded in order to do more work than lazy, so to improve eyesight.
If this condition, however, manifests itself should prescribe the lenses, or, if absolutely necessary, surgical intervention (never before 2-3 years old) on the eye muscles to a problem of sight, such as hyperopia, .
Adult strabismus, however, is often the result of systemic diseases, such as diabetes or hypertension. In these cases, therapy is identified in the same care of such diseases and strabismus resolution occurs spontaneously even after only six or seven months.
Intervene to completely eliminate the squint is not always possible, which is why early detection is vital.