| Date | Event | Description |
|---|---|---|
| 3 February 2014 | New search has been performed | Issue 2, 2014: For this update we have modified our inclusion criteria to include all RCTs that fulfilled any of our primary or secondary outcomes. We also included studies comparing femtosecond laser endothelial keratoplasty (FLEK) versus penetrating keratoplasty (PKP). |
| 3 February 2014 | New citation required but conclusions have not changed | Issue 2, 2014: Two new RCTs (Cheng 2009; Patel 2008) have been included in this update. |
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