Astigmatism

/əˈstɪɡ.mə.tɪ.zəm/

Meaning & Definition

noun

A common defect of vision caused by an irregular shape of the cornea or lens, resulting in blurred or distorted vision.

After my eye exam, the doctor informed me that I have astigmatism and suggested corrective lenses.

Refers to the condition where light rays entering the eye do not focus at a single point on the retina, leading to blurred vision.

People with astigmatism often struggle to see fine details, especially at night.

A condition affecting the overall focus of light rays, which may require specific types of lenses for correction.

The optometrist explained that astigmatism can be corrected with toric lenses that accommodate the irregular curvature of the eye.

From Greek 'a-' meaning 'without' and 'stigmatismos' meaning 'pointing out, marking'.

corrective lenses for astigmatism

Glasses or contact lenses specifically designed to address astigmatism.

cylinder prescription

A term used in eyewear prescriptions indicating the strength needed to correct astigmatism.

myopia

A condition of nearsightedness where distant objects appear blurry.

hyperopia

A condition of farsightedness where close objects appear blurry.

presbyopia

A condition associated with aging that affects the ability to focus on near objects.

The struggle to see clearly.

After bumping into the door again, she joked that her astigmatism was acting up.

Seeing the world a bit out of focus.

He described his astigmatism as a perpetual Instagram filter gone wrong.