Esotropia: Causes, Symptoms, Diagnosis, Treatment, and Prevention
Esotropia is a type of eye misalignment, also known as strabismus or crossed eyes. It occurs when one or both eyes turn inward toward the nose. Esotropia affects people of all ages, but it is more common in babies and young children. The causes, symptoms, diagnosis, treatment, and prevention of esotropia will be discussed in this blog post. Esotropia can interfere with vision, depth perception, and eye coordination.
Causes of Esotropia
It can be caused by neurological or muscular impairments. The muscles and nerves that control the eyes normally work together to allow the eyes to focus on the same object. In esotropia, however, this control is disrupted, and the eyes point in different directions.
Some people are born with esotropia (congenital esotropia), although this is rare. Most people develop esotropia later in life (acquired esotropia). The risk factors for acquiring esotropia include:
-
Constant eye strain, especially if you are farsighted (have trouble seeing near objects)
-
Eye or head trauma
-
Systemic disorders, such as diabetes or hyperthyroidism
-
Genetic disorders, such as Down syndrome or cerebral palsy
-
Eye disorders, such as cataracts or glaucoma
-
Stroke or other vascular issues
-
Immune system disorders, such as Graves’ disease
Esotropia can also run in families, so if you have a relative with esotropia, you may have a higher chance of developing it.
Symptoms of Esotropia
The main symptom of esotropia is having one or both eyes turned inward toward the nose. This can affect your appearance and your vision. Other symptoms of esotropia include:
-
Squinting or closing one eye to see clearly
-
Poor depth perception (inability to judge the distance between objects)
-
Double vision (seeing two images of the same object)
-
Lazy eye (reduced vision in one eye due to lack of use)
-
Head tilt or turn to compensate for the eye deviation
-
Eye fatigue or headache
As a result of esotropia, you may feel self-conscious, embarrassed, or isolated. You may have difficulties reading, writing, playing sports, or other activities that require good eye coordination.
Diagnosis of Esotropia
The earliest you should see an eye doctor (ophthalmologist or optometrist) if you suspect that you or your child has esotropia. Your eye doctor will examine your eyes and perform a variety of tests to determine the type, degree, and cause of esotropia. These tests may include:
-
Visual acuity test: This measures how well you can see at different distances.
-
Cover test: This checks how your eyes move when one eye is covered and uncovered.
-
Refraction test: This determines your prescription for glasses or contact lenses.
-
Eye alignment test: This measures the angle and direction of your eye deviation.
-
Eye movement test: This evaluates how well your eyes can follow a moving object.
-
Eye health exam: This looks for any signs of eye diseases or injuries that may cause or worsen esotropia.
Additionally, the eye doctor may ask you about your medical history, family history, and symptoms. Based on the results of your tests and examination, the eye doctor will diagnose your esotropia and suggest treatment options.
Treatment of Esotropia
In order to improve your vision, eye coordination, and appearance, esotropia treatment varies depending on the type, degree, and cause of your eye misalignment.
-
You can correct your refractive error (such as farsightedness) with glasses or contact lenses, and they help your eyes align better by changing the focus of light on your retina (the light-sensitive layer at the back of your eye).
-
By covering your stronger eye with a patch for a few hours a day, you can force your weaker eye to work harder. This can improve your vision and prevent lazy eye.
-
Eye drops or ointment: These can temporarily blur your vision in your stronger eye to stimulate your weaker eye. This can also improve your vision and prevent lazy eye in the affected eye.
-
Exercises for your eyes can help you control your eye movements, strengthen your eye muscles, and improve your eye coordination.
-
Injections of botulinum toxin can relax your eye muscles and reduce eye deviation. They can also prevent your eye muscles from scarring or shortening after surgery. Botulinum toxin injections are usually used as a temporary or alternative treatment for esotropia.
-
In eye surgery, your eye muscles can be adjusted to correct your eye deviation and improve your appearance. This procedure involves adjusting the length or position of your eye muscles to change the direction of your eye movement. As a result of severe or constant esotropia or when other treatments fail to improve your symptoms, eye surgery is usually recommended.
The eye doctor will discuss the benefits and risks of each treatment option with you and help you to choose the best one for your condition. To get the best results, you may need to try different treatments or combine them. In addition to regular follow-up visits, your eye doctor may need to adjust your treatment plan if necessary to monitor your progress.
Prevention of Esotropia
There are some steps you can take to reduce your risk of developing or worsening esotropia, especially if it is caused by genetics or systemic factors.
-
In addition to regular eye exams, if you have a family history of esotropia or other eye conditions, you should have your eyes checked more often.
-
The use of glasses or contact lenses can correct your vision and reduce your eye strain. You should wear your glasses or contact lenses as prescribed by your eye doctor and update your prescription as needed.
-
Following your treatment plan: This can improve your vision, eye coordination, and appearance. As part of your treatment for esotropia, follow your eye doctor's instructions and recommendations. You should notify your eye doctor of any changes or concerns as soon as possible.
-
Protecting your eyes: This can prevent any eye injuries or infections that may cause or worsen esotropia. If you play sports, work with tools, or engage in any activity that may expose your eyes to dust, chemicals, or sunlight, you should wear eye protection. In addition, you shouldn't share makeup or contact lenses with others unless you wash your hands first.
It affects your vision, depth perception, and eye coordination and is a treatable eye condition. You can improve your quality of life and take control of your eye health if you know the causes, symptoms, diagnosis, treatment, and prevention of esotropia. For more information and advice about esotropia, you should consult your eye doctor.