Keratoconus is a corneal disease characterized by progressive thinning corneal stroma, which produces increased corneal power and corneal aberrations. Different treatments have been developed to reduce the progression of keratoconus and delay keratoplasty, as intrastromal corneal rings or crosslinking among others. Advances in crosslinking procedure, as likewise in clinical devices facilitate the monitoring of the pathology, and require be updated in clinical practice ...