Strabismus, also known as squint eye, is an eye disorder in which both eyes don’t line up in the same direction. One eye gazes straight ahead, while the other may turn inward ( esotropia), outward (exotropia), upward, or downward. Hence, a person with this condition can’t look at the same object simultaneously.
Possibilities are also there for a person to face different problems in calculating the estimated distance between objects. Some other issues are also related to the impacted eye, which can affect any person, irrespective of age or gender.
Various symptoms can characterize strabismus, including:
Your eyes mainly comprise six muscles that work in tandem for a coordinated movement of the eyes. These extraocular muscles make both eyes look straight and focus on a single object. Both eyes of a person with normal vision merge the two pictures into a single 3D image. This 3D picture helps us to measure the depth of field.
When one misaligned eye and a properly functioning eye send two different pictures to the brain, the mind prefers ignoring the image from the non-aligned eye. Because of this malfunctioning, understanding depth becomes complicated, especially in kids. However, this situation differs among adults as their brains have already learned to receive two pictures.
Studies have confirmed that malfunctioning of extraocular muscles becomes the root cause of /Strabismus. This malfunction usually occurs due to muscles themselves, associated nerves, or the area in the brain that controls extraocular muscles.
Retina damage in premature babies or Hemangioma (abnormal growth of blood vessels) near the eye among infants may also be possible causes.
A child also causes Accommodative Esotropia (a condition of excessive focusing that a child with uncorrected farsightedness experiences).
A person can have normal vision only when all the six muscles surrounding each eye are in sync. This allows both eyes to focus on the same object at a time. When all the eye muscles fail to work in sync, one eye focuses on the object while the other points in a different direction. As a result, the brain receives two images.
When strabismus occurs, it causes the brain to receive two distinct images - one from each eye, which leads to confusion. The brain may attempt to mitigate this in children by suppressing the image from the weaker eye.
Besides Standard Ophthalmic Examination, there are multiple tests available to diagnose.
Strabismus can occur at birth or develop during infancy, childhood, or later stages of life. In some instances, strabismus may indicate an underlying eye condition or other health issues that require attention. Therefore early detection is crucial in determining the severity, particularly in children. Having your child's vision thoroughly examined at a nearby eye hospital between the age of three months and three years is important. If there is a family history of strabismus or amblyopia, it is recommended to have your child's eyesight evaluated within the first few months of their life.
Newborn babies usually experience intermittent; this condition ends by two months of age and completely disappears in the first four months of birth as vision develops over time.
Eye muscle surgery is a frequently used and safe squint eye treatment. During the procedure, the surgeon will make an incision in the conjunctiva, the membrane covering the white part of the eye. The surgeon will then access the eye muscle and either expand or reduce it as needed to achieve optimal alignment.
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