Keratoconus
What Is Keratoconus? Keratoconus is a rare, progressive disorder of the cornea (the clear, front part of the eye) that causes thinning, steepening, high astigmatism, and can lead to scarring and permanent vision loss. What Causes Keratoconus? Keratoconus can be caused by excessive eye rubbing. Treating underlying causes of eye itching and...