Keratoconus Treatment in London The term keratoconus originates from the Greek ‘keras’ meaning cornea, and ‘conus’ meaning cone. Keratoconus causes progressive thinning of the cornea. It usually affects both eyes, although one eye is usually affected more than the other. If there is a delay in the detection or treatment of keratoconus, it can result in significant deterioration of vision. Read more: https://harleyvision.com/conditions/keratoconus/