Understanding Amblyopia: Causes, Symptoms, and Treatments

Amblyopia, commonly known as "lazy eye," is a vision development disorder that occurs when one eye fails to achieve normal visual acuity, even with prescription glasses or contact lenses. It typically begins in childhood and, if untreated, can lead to permanent vision loss in the affected eye. Early detection and treatment are crucial for improving vision and ensuring proper eye health.


What Causes Amblyopia?

Amblyopia occurs when there is a disruption in the communication between the brain and the weaker eye. The brain begins to favor the stronger eye, suppressing signals from the weaker one. Common causes include:


•          Refractive errors: Significant differences in nearsightedness, farsightedness, or astigmatism between the two eyes.


•          Strabismus: Misalignment of the eyes, where one eye turns in, out, up, or down, causing the brain to rely on the stronger eye.


•          Cataracts: Clouding of the eye's lens, obstructing vision in one eye.


•          Droopy eyelids (ptosis): A drooping eyelid that partially or completely blocks vision in one eye.


Recognizing the Symptoms of Amblyopia

Parents or caregivers may notice the following symptoms in children with amblyopia:


•          Squinting or closing one eye to see better

•          Tilting the head or turning it to focus

•          Poor depth perception

•          Frequent eye rubbing or excessive blinking

•          An eye that appears to wander or not align properly with the other eye


Treatment Options for Amblyopia

Treating amblyopia involves addressing the underlying cause and helping the weaker eye regain its function. Glasses can correct refractive errors such as nearsightedness, farsightedness, or astigmatism. In some cases, glasses alone may resolve amblyopia, particularly if the weaker eye does not have a significant structural issue.


If a cataract is causing amblyopia, surgery may be necessary to remove the cataract and restore vision. This procedure is typically performed under local or general anesthesia, depending on the patient's age and specific needs.


In cases where a droopy eyelid (ptosis) blocks vision in the weaker eye, surgery may be required to lift the eyelid. Once the obstruction is removed, additional treatments may be necessary to strengthen the weaker eye.


An eye patch is often prescribed for the stronger eye to force the weaker eye to work harder. This helps improve vision over time. Children are encouraged to engage in close-up activities, such as reading or coloring, while wearing the patch to stimulate the weaker eye.


For children who find wearing an eye patch challenging, atropine eye drops can blur the vision in the stronger eye, encouraging the weaker eye to work harder. This treatment is effective and often less disruptive for the child. Additionally, special vision exercises and games are used to improve the function of the weaker eye. These exercises can be performed in conjunction with other treatments to enhance results.


In some cases, surgery may be performed to correct an eye turn (strabismus), improving the alignment of the eyes. While this procedure may not directly improve vision, it can enhance eye coordination and overall appearance.


Schedule a Consultation with Maxivision Eye Care Today

Amblyopia is a serious condition that can impact a child's vision and quality of life if left untreated. However, with early diagnosis and appropriate treatment, most children can achieve significant improvements in their vision.


If you notice any signs of amblyopia in your child, schedule an eye exam with Maxivision Eye Care to ensure they receive the care they need. Visit our office in Naperville, Illinois, or call (630) 904-1900 to book your appointment today.