What are the symptoms of keratoconus?

The symptoms of keratoconus usually start in a person's teens and may progress for the next 10 to 20 years. The earliest signs of keratoconus are usually blurring of vision and the need for frequent changes in eye glass prescription, or blurred vision that cannot be corrected with glasses. Other symptoms include:

  • Difficulty driving at night
  • Increased light sensitivity
  • Halos and glare especially at night
  • Eye strain
  • Headaches and general eye pain
  • Eye irritation

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