Safety and Effectiveness Study of the VEGA UV-A System for Cross-linking in Eyes With Keratoconus and Ectasia

Inclusion Criteria: * 12 years of age or older * Diagnosis of Keratoconus or Ectasia * Central or Inferior steepening on the Pentacam map * Topography consistent with Keratoconus or Ectasia * BSCVA 20/20 or worse * Removal of contact lenses for required period of time * Signed written informed consent * Willingness and ability to comply with schedule for follow up visits Exclusion Criteria * For Keratoconus, a history of previous corneal surgery * Corneal pachymentry equal to or greater and 400 * Previous ocular condition in the eyes to be treated that may predispose the eye for future complications * A history of chemical injury or delayed healing * Pregnancy * A known sensitivity to the study medications * Nystagmus or any other condition that would prevent a steady gaze during treatment or other diagnostic tests * Presence or history of any other condition or finding that makes the patient unsuitable as a candidate