keratoconus
/ˌkɛrətoʊˈkoʊnəs/
noun
- A condition in which the cornea of the eye becomes thin and bulges outward into a cone shape, causing blurred or distorted vision.
- Keratoconus often first appears in teenagers and can worsen over time if not treated.
- The eye exam revealed early signs of keratoconus, so the doctor recommended regular checkups.
- People with keratoconus may need special contact lenses to see clearly.