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  • Keratoconus

    Sections
    • What Is Keratoconus?
    • What Causes Keratoconus?
    • Keratoconus Symptoms
    • Keratoconus Diagnosis and Treatment
  • Image of an eye with keratoconus, or cone-shaped cornea

    What Causes Keratoconus?

    Leer en Español:
    ¿Qué causa el queratocono?
    Written By: Kierstan Boyd
    Reviewed By: James M Huffman, MD
    Oct. 21, 2020

    Doctors do not know for sure why people have keratoconus. In some cases, it appears to be genetic (passed down in families). About 1 out of 10 people with keratoconus have a parent who has it too. Keratonconus is also associated with:

    • eye allergies
    • excessive eye rubbing, and
    • connective tissue disorders like Marfan syndrome and Ehlers-Danlos syndrome

    Keratoconus often starts when people are in their late teens to early 20s. The vision symptoms slowly get worse over a period of about 10 to 20 years.

    Previous

    What Is Keratoconus?

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    Keratoconus Symptoms

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Also of Interest
  • Keratoconus
  • Rop: Retinopathy Of Prematurity Causes
  • Keratoconus Symptoms