Signs and symptoms of keratoconus may change as the disease progresses. They include:  Blurred or distorted vision Increased sensitivity to bright light and glare, which can cause problems with night driving A need for frequent changes in eyeglass prescriptions Sudden worsening or clouding of vision 
signs symptoms keratoconus may change disease progresses  include:  blurred distorted vision increased sensitivity bright light glare  can cause problems night driving need frequent changes eyeglass prescriptions sudden worsening clouding vision 
keratoconus