How is congenital astigmatism treated?

Astigmatism is a refractive error associated with the curvature of the cornea. It may lead to reduced visual acuity, strabismus, amblyopia, and other issues that interfere with daily life and work. So how is congenital astigmatism treated? Let’s explore this further.

How Is Congenital Astigmatism Treated?

Congenital astigmatism is typically managed through optical correction or, less commonly, surgical intervention—though surgery is generally deferred until adulthood. Therefore, during childhood, treatment usually involves prescribing appropriate spectacles or contact lenses. Prior to fitting corrective lenses, children must undergo cycloplegic refraction at a hospital to accurately assess their refractive status. Additionally, corneal curvature measurements and corneal topography should be performed to determine the specific type of astigmatism.

If astigmatism is severe, evaluation for amblyopia is essential, as high astigmatism significantly increases the risk of developing amblyopia—a condition that becomes notably more difficult to treat once established.

Maintaining ocular health is crucial. Even after optical correction, regular ophthalmologic examinations are necessary to monitor changes in refractive status. Proper eye care includes avoiding prolonged near work and chronic sleep deprivation. Nutritionally, it is advisable to consume foods rich in vitamins and other essential nutrients.

Causes of Astigmatism

1. Poor Visual Habits

Improper eye posture is directly linked to the development of astigmatism. Prolonged reading or gaming while lying down or in a prone position exerts continuous pressure on the eyeball, potentially inducing astigmatism. Similarly, habitual squinting or tilting the head to view objects causes repeated blinking and eyelid movement, which may alter corneal shape over time and ultimately result in astigmatism—further compromising normal vision.

2. Frequent Eye Rubbing

Many people habitually rub their eyes when fatigued. However, this not only increases the risk of ocular infection but may also contribute to astigmatism. Vigorous eye rubbing displaces the eyeball upward, concentrating mechanical pressure on the inferior portion of the globe and altering the curvature of the lower cornea—eventually leading to astigmatism.

3. Congenital Corneal Abnormalities

The cornea naturally exhibits varying degrees of curvature across different meridians. When these curvatures deviate abnormally—often due to genetic factors—astigmatism results. In such cases, preventive and protective eye care measures remain the primary management strategy.

We hope the above information is helpful to you.