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Symptoms
By Mayo Clinic staffThe signs and symptoms of keratoconus may change as the disease progresses. They include:
- Blurred or distorted vision
- Increased sensitivity to bright light and glare
- Disturbed night vision
- Headaches from eyestrain
- Hydrops, a condition in which the back of your cornea ruptures and fills with fluid, clouding vision
When to see a doctor
Although your eye doctor will look for signs of keratoconus during routine eye exams, you may want to ask specifically about it if you have astigmatism and your eyesight is worsening rapidly.
A high proportion of people seeking laser-assisted in situ keratomileusis (LASIK) eye surgery have keratoconus and have become frustrated when glasses and contact lenses haven't worked. If you're considering LASIK surgery because your vision is unclear even when you wear glasses or contacts, be sure your doctor checks for signs of keratoconus before you get the surgery.
- Nordan LT. Keratoconus: diagnosis and treatment. International Ophthalmology Clinics. 1997;37(1):51-63.
- Koster AR, et al. Topographical analysis of keratoconus. International Ophthalmology Clinics. 1993;33(2):261-269.
- Lembach RG. Keratoconus. International Ophthalmology Clinics. 1991;31(2):71-82.
- Rabinowitz YS. Intacs for keratoconus. Current Opinion in Ophthalmology. 2007;18:279-283.
- Tan DTH, et al. Current treatment options for corneal ectasia. Current Opinion in Ophthalmology. 2007;18:284-289.
- Tan BU, et al. New surgical approaches to the management of keratoconus and post-LASIK ectasia. Transactions of the American Ophthalmologic Society. 2006;104:212-221.
- Brierly SC, et al. Penetrating keratoplasty for keratoconus. Cornea. 2000;19(3):329-332.
- Rabinowitz YS. INTACS for keratoconus. International Ophthalmology Clinics. 2006;46(3):91-103.
- Crosby MB, et al. Management of keratoconus. Contemporary Ophthalmology. 2007;6(9):1-8.
- Krachmer JH. Eye rubbing can cause keratoconus (comment). Cornea. 2004;23(6)539-540.
