Strabismus affects binocular vision

It is understood by squint the loss of alignment of eyeballs; that is, the person who has this disorder look in front, but their eyes they are not rights.

There are several classifications of this condition: those that look inward or endotropia , those that look out or exotropia ; those who see up or hypertropia , and when the look is positioned down or hypotropia .

In addition, there are squint specials: paralytic , duane , moebius , brown Y fixus , which are characterized by one of the eyes does not reach "stop" when the look to one side, and sometimes you notice very little.

In a normal way, when both eyes they are aligned (binocular vision ), the image is formed in the retina to "connect" with the brain . However, when there squint , only one eye sees the object and thereby interrupts the binocular vision and, consequently, the visual quality  

They are also presented ocular deviations when there are anatomical damages in the structures of the eye as the retina , taint Y optic nerve . Even, those who have waterfalls or opacity of the lens in the cornea they also lose the binocular vision .  

In short, when the passage of the light to the retina and this is not stimulated, the patient may present some type of squint .

In Mexico there are no statistics on this condition, but the international bibliography reports between 4 to 7% of squint among children, the figures of adults are not specified.

However, some newborns have more risk when one of their parents had it. Also, there are secondary cases to trauma , either in skull or in the eyeball .

The treatments will depend on the origin. For example: if it is by mistake refractive , will be indicated lenses ; others are arranged with surgery , and even in some cases, the Botulinum toxin and the combination of both.

  


Video Medicine: Double Vision: A Complex Condition With Many Potential Causes (April 2024).