Research Article: Long Term Corneal Flattening After Corneal Crosslinking in Patients with Progressive Keratoconus
Introduction:
Keratoconus (KC) is an ectatic disease of the cornea, typically diagnosed during the second decade of life that tends to progress, inducing irregular myopic astigmatism with impairment of functional vision. Although once classified as a rare disease by the US Food and Drug Administration, more recent reports estimate prevalence rates of up to .% in some places in the world. Systematic review and metaanalysis report a prevalence of . per population.
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