keratoplasty is similar across donor cornea preservation times (PTs) could increase the
donor pool. Objective To determine whether the 3-year rate of graft success using corneal
donor tissue preserved 8 to 14 days is noninferior to that of donor tissue preserved 7 days or
less. Design, Setting, and Participants A multicenter, double-masked, randomized
noninferiority clinical trial was conducted from April 16, 2012, to June 5, 2017, at 40 clinical …