HealthAugust 23, 2026
astigmatism
uh-STIG-muh-tiz-um
Definition
A common vision condition caused by an irregularly shaped cornea or lens, which prevents light from focusing properly on the retina, resulting in blurred or distorted vision.
Etymology
Derived from the Greek 'a-' (without) and 'stigma' (point), this term was coined in the 19th century to describe the eye's inability to focus light rays to a single point.
In the news
The article lists astigmatism as one of the vision conditions that can be identified and measured through refraction services at an optometry shop. The author emphasizes that thorough eye examinations are needed to detect such conditions early.
‘Proper health standards for private optometry shops’
Read the full article ↗The Star