Keratoconus is a degenerative eye disease.

The cornea begins to thin and bulge and instead of being a curved shape it take on cone shape. This distortion can cause light to refract changing the way the eyes sees.

It is estimated 1 in 1000 people are living with Keratoconus.

Here how what someone living with Keratoconus might see:
ghosting simulation with keratoconus

Symptoms of Keratoconus

-Blurred vision

- Frequently prescription changes

- worsening astigmatism’s

- double or triple vision ( many sufferers will have dozen of ghosting of images)

- double vision in one eye

- poor night vision

- flaring of lights

- sensitivity to light

- itching eyes

- light sensitivity

Treatment of Keratoconus

Currently the first line of treatment is eyeglasses , then soft or more likely rigid gas permeable contact lens designed specifically for Keratoconus eyes and the “cone: shaped cornea.
If the cornea becomes dangerously thin or vision cannot be maintained retired with contact lenses then the last resort is a cornea transplant.
There has also been some research into eye implants.

Common misspellings of Keratononus eye condition: Kerataconus, Keraticonus, Kerataconis