Vision Associates

Keratoconus in Great Neck

What is keratoconus?

Keratoconus is an eye condition in which the shape of the cornea becomes distorted. The cornea is a clear structure that covers the front of the eye and allows light to enter the eye. In a healthy eye, the cornea curves like a dome. In an eye with keratoconus, the center of the cornea slowly thins and bulges, so that it sags and has a cone shape.

What causes keratoconus?

The cause of keratoconus is unknown.

What are the symptoms of keratoconus?

Keratoconus tends to affect younger people and the symptoms sometimes start in the early teen years and progresses most rapidly for the next 10 to 20 years. Often, eyeglass prescriptions must be changed frequently as the disease progresses.

Symptoms include:

  • Difficultly driving at night
  • Halo's and ghosting, especially at night
  • Eye strain
  • Headaches and general eye pain
  • Eye irritation, excessive rubbing of the eye

How is keratoconus diagnosed?

Keratoconus can usually be diagnosed with a slit-lamp examination as well measurement of the corneal curvature. Your Optometrist will look for signs such as corneal thinning, stress lines, and scarring at the apex of the corneal cone. Keratoconus, especially in the early stages, can be difficult to diagnose and its symptoms could be associated with other eye problems. Simply recognizing symptoms does not by itself diagnose the condition.

What is the treatment for keratoconus?

The primary treatment options for keratoconus are contact lenses and surgery. In the very early stages of keratoconus, vision problems can be corrected with prescription glasses or contact lenses. As keratoconus progresses, special rigid gas permeable contact lenses may be necessary. Advanced keratoconus may require surgery.


Optometry Appointment 11021

Our Location:

Vision Associates
64 Middle Neck Road
Great Neck, New York 11021
Phone: (516) 482-0129
Fax: (516) 829-3126

Office Hours:



Monday: 9:00am - 6:00pm
Tuesday: 9:00am - 6:00pm
Wednesday: 9:00am - 6:00pm
Thursday: 9:00am - 7:00pm
Friday: 9:00am - 6:00pm
Saturday: 9:00am - 5:00pm
Sunday: Closed

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