What eye conditions can affect the cornea?
Astigmatism Instead of the cornea being perfectly round like a basketball, astigmatism is when the cornea is shaped more like a football than a basketball – longer in one direction than in another. This produces uneven focusing of light as it enters the eye, which results in distorted vision. Astigmatism can be something you’re born with or can be the result of various eye diseases or even surgery to the eye. Often astigmatism is easily corrected with glasses. Until more recently, people with astigmatism have not been able to wear soft contact lenses with much success. But now there are disposable soft contacts even for people with astigmatism. Astigmatism can also be treated with refractive surgery, including LASIK , limbal relaxing incisions, or Toric IOLs. Keratoconus Keratoconus is an irregular protrusion of the cornea. It is a degenerative non-inflammatory disorder of the eye in which structural changes within the cornea cause it to thin and change to a more cone-like shape than i
