In keratoconus, genetic factors appear to be multifactorial and have been considered fundamental to the etiology and progression of keratoconus, but does not explain a vast majority of the cases.

Normally, your cornea— the clear outer lens or "windshield" of your eye — has a dome shape, like a ball. Sometimes, the structure isn’t strong enough to hold its round shape and bulges outward, like a ...

The eye is a complex organ made up of several layers. The first is the conjunctiva which covers the sclera, also known as the white of the eye. The next is the cornea, a clear dome-shaped layer of ...