Keratoconus

Keratoconus is a progressive condition in which the cornea, the transparent layer at the front of the eye, thins and takes on a conical shape instead of its usual rounded curvature, which distorts vision.

Common symptoms: Blurred or distorted vision, greater sensitivity to light, glare and the need to change the prescription of one's glasses frequently.

When a check-up is advisable: It usually begins in adolescence or youth, so detecting visual changes early helps with follow-up.

Which specialist treats it? The ophthalmologist is the one who diagnoses and follows up on keratoconus, and the optometrist assists in the assessment of vision. If you notice that your vision becomes distorted or your prescription changes frequently, a professional eye exam will help clarify its cause.