Astigmatism
Medically reviewed by Dr. Liron Bittan, O.D. · Updated March 2026
Astigmatism is a common refractive error where the cornea or lens has an irregular shape — more like a football than a basketball — causing blurred or distorted vision at all distances. It affects roughly 1 in 3 people and is easily corrected with glasses, toric contact lenses, or LASIK surgery. Astigmatism is not a disease and does not worsen with screen use.
What Is Astigmatism?
Astigmatism is a common refractive error caused by an irregularly shaped cornea or lens, resulting in blurred vision at all distances. Professional Eyecare in Overland Park offers precise diagnosis and multiple correction options, from eyeglasses and toric contact lenses to LASIK co-management for lasting results.
What Are the Symptoms of Astigmatism?
- Blurred or distorted vision at all distances
- Eye strain and discomfort after prolonged visual tasks
- Frequent headaches, especially after reading or screen use
- Difficulty seeing clearly at night or in low light
- Squinting to bring objects into focus
- Tired eyes after driving or extended concentration
What Causes Astigmatism?
- Irregularly curved cornea (corneal astigmatism)
- Irregularly shaped crystalline lens (lenticular astigmatism)
- Genetic predisposition — often present from birth
- Changes in corneal shape after eye surgery or injury
- Keratoconus or other corneal conditions
- Habitual eye rubbing over time
How Is Astigmatism Treated?
- Prescription eyeglasses with cylindrical lens correction
- Toric soft contact lenses designed for astigmatism
- Rigid gas permeable (RGP) contact lenses for higher astigmatism
- Scleral lenses for irregular astigmatism
- LASIK co-management for eligible candidates
- Corneal topography-guided prescription refinements
When Should You See an Eye Doctor for Astigmatism?
If you experience persistent blurry vision, frequent headaches after visual tasks, or difficulty driving at night, schedule a comprehensive eye exam to check for astigmatism. Even mild astigmatism can cause eye fatigue and reduced clarity. Children who squint frequently or tilt their heads to see should be evaluated promptly.
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