This is the much needed guide for ophthalmologists and patients who want to treat and understand about keratoconus a non-inflammatory, degenerative disease that compromises the structural integrity of the collagen matrix within the corneal stroma. The hallmark characteristic is the development of a localized, cone-shaped estasia, bulge or hernia that is accompanied by thinning of the stroma in the area of the cone. This leads to increased irregular...