D2I2.
chronic

Keratoconus

Keratoconus is an eye disorder in which the , the transparent front part of the eye, gradually thins and bulges outward into a cone shape. This causes distorted vision, including blurry vision, double vision, increased nearsightedness, irregular astigmatism, and light sensitivity, which can reduce quality of life. Both eyes are usually affected.

Underlined words are explained — tap any of them.

Symptoms — what it feels like

  • ·Blurry vision, nearsightedness, light sensitivity

Causes — why it happens

  • ·Unknown

How it's found

  • ·Slit lamp exam

Treatment

  • ·Glasses, contacts,
Plain-language summary adapted from Wikipedia. Not medical advice.