Why Do Eyes Misalign? Understanding Strabismus

By Dr. Austin Andersen, MD — Ophthalmologist

Medically reviewed by Dr. Austin Andersen, MD

Understanding Strabismus: More Than Just a "Lazy Eye"

Strabismus, commonly known as crossed eyes or a "lazy eye," is a condition where the eyes do not align properly. Instead of working together to focus on the same point, one eye turns inward, outward, upward, or downward. This misalignment can be constant or intermittent, affecting one eye or alternating between both. At Professional Eyecare Oak Park, we understand that strabismus is a complex condition requiring precise diagnosis and a human-centered approach to care. We believe eye care should be clear, not confusing, especially when it involves your vision or that of a loved one.

While often associated with children, strabismus can affect individuals of all ages. Early detection and intervention are crucial, particularly in childhood, to prevent long-term vision problems. If left unaddressed, strabismus can lead to amblyopia (reduced vision in the misaligned eye) or even permanent vision loss. Our team in Overland Park, Kansas, is dedicated to providing intelligent, efficient care to protect your vision.

What Causes Eyes to Misalign? Exploring the Roots of Strabismus

The precise cause of strabismus isn't always clear, but it often involves a problem with the brain's control over the eye muscles. Six muscles surround each eye, working in perfect coordination to move the eye. When these muscles don't work together, the eyes can misalign. Here are some common factors contributing to strabismus:

Genetics: Strabismus often runs in families, suggesting a genetic predisposition. If a parent or sibling has strabismus, there's a higher chance a child might develop it.
Refractive Errors: Significant uncorrected farsightedness (hyperopia) can cause accommodative esotropia, where the eyes turn inward as they try to focus. Other refractive errors like astigmatism can also play a role. Timely children's eye exams are essential to catch these issues early.
Nerve Problems: Issues with the nerves that transmit signals to the eye muscles can disrupt their coordination, leading to misalignment.
Brain Conditions: Conditions affecting the brain, such as cerebral palsy, Down syndrome, hydrocephalus, or even stroke and head injuries in adults, can interfere with eye muscle control.
Eye Injuries or Diseases: Trauma to the eye or certain eye diseases like cataracts can sometimes contribute to strabismus.
Systemic Illnesses: In rare cases, systemic conditions affecting the body can manifest as strabismus.

Understanding these potential causes is the first step toward effective management. Our optometrists use advanced diagnostic tools to pinpoint the specific reason for misalignment, ensuring a precise treatment plan.

Types of Strabismus: Identifying the Specific Misalignment

Strabismus is categorized by the direction of the eye's turn:

Esotropia: The eye turns inward (crossed eyes). This is the most common type, often seen in infants.
Exotropia: The eye turns outward (wall-eyed). This can sometimes be intermittent, especially when a person is tired or daydreaming.
Hypertropia: The eye turns upward.
Hypotropia: The eye turns downward.

Each type requires a specific diagnostic approach and tailored treatment. Our commitment to intelligent efficiency means we streamline the diagnostic process, making your visit clear and productive. If you're searching for an "eye doctor Overland Park" who prioritizes clarity and precision, you've found us.

Recognizing the Signs: When to Seek Professional Eyecare

Detecting strabismus, especially in children, can be challenging. Parents should be vigilant for these common signs:

Visible Eye Turn: The most obvious sign is a noticeable misalignment of one or both eyes. This might be constant or intermittent.
Frequent Squinting or Head Tilting: Children might tilt their head or squint to try and align their vision or reduce double vision.
Difficulty with Depth Perception: Misaligned eyes struggle to work together, affecting the ability to judge distances.
Double Vision (Diplopia): More common in adults with new-onset strabismus, seeing two images of one object is a clear indicator.
Eye Strain or Fatigue: The effort to align the eyes can lead to discomfort.
Clumsiness: Due to poor depth perception, a child might appear clumsy or frequently bump into objects.

If you notice any of these signs, don't delay. Schedule a comprehensive eye exam. Early intervention is key to preventing long-term vision issues. For children, regular check-ups are vital; our post on Vision Problems In Children: Signs To Watch offers more insights.

Treatment Options for Strabismus: Restoring Clarity You Can Trust

The goal of strabismus treatment is to straighten the eyes, improve vision, and restore binocular function (the ability of both eyes to work together). Treatment plans are always customized based on the type, severity, and cause of the strabismus, as well as the patient's age. Our approach combines clinical excellence with intelligent systems to deliver effective results.

Corrective Lenses

For strabismus caused by uncorrected refractive errors, especially farsightedness, prescription eyeglasses or contact lenses can often correct the misalignment. These lenses help the eyes focus properly without overworking, which can prevent the inward turn. We offer a wide range of modern, premium lens options to suit every need.

Vision Therapy

Vision therapy is a structured program of eye exercises designed to improve eye coordination and focusing skills. It can be particularly effective for certain types of strabismus, helping the brain and eyes learn to work together. This non-invasive approach focuses on strengthening eye muscles and improving communication between the eyes and the brain.

Patching or Atropine Drops

If amblyopia (lazy eye) has developed due to strabismus, patching the stronger eye or using atropine drops in the stronger eye can force the weaker, misaligned eye to work harder, thereby improving its vision. This is a common and effective treatment, especially in younger children.

Eye Muscle Surgery

In some cases, surgery on the eye muscles may be necessary to correct the alignment. This procedure involves adjusting the length or position of the eye muscles to allow the eyes to move correctly and align properly. Surgery is often considered when other treatments are not sufficient, and it has a high success rate in restoring eye alignment.

Botox Injections

For certain types of strabismus, particularly in adults or specific forms of misalignment, Botox injections can be used to temporarily weaken overactive eye muscles, allowing the opposing muscles to strengthen and improve alignment. This is a less invasive option than surgery for some patients.

At Professional Eyecare Oak Park, we guide you through every treatment option with transparency and precision. We are here to answer your questions about appointment scheduling, insurance, and what to expect during your eye exam, ensuring a professional and un-rushed experience.

Frequently Asked Questions

What are the common problems with progressive lenses for someone with strabismus?

While progressive lenses offer multiple vision corrections in one, individuals with strabismus might initially find adapting challenging due to existing difficulties with eye coordination and depth perception. However, with proper fitting and guidance from your eye care professional, many can successfully use them.

Can strabismus be cured in adults?

Yes, strabismus can often be successfully treated in adults, although the approach may differ from that for children. Treatment options like corrective lenses, vision therapy, prism lenses, Botox injections, or surgery can help improve eye alignment and reduce symptoms like double vision.

Is strabismus always noticeable?

No, strabismus is not always immediately noticeable. Some forms of strabismus can be intermittent or subtle, only becoming apparent when a person is tired or focusing intently. A comprehensive eye exam is crucial for detecting all types of misalignment.

What is the difference between strabismus and amblyopia?

Strabismus is the misalignment of the eyes, where one eye turns inward, outward, upward, or downward. Amblyopia, often called "lazy eye," is reduced vision in one eye due to the brain favoring the other eye, and it can be caused by strabismus if the misaligned eye isn't used properly during critical developmental periods.

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