Table 3. Prominent corneal collagen crosslinking trials not included in systematic review and reason for exclusion.
| Lead Author | Year | Reason for exclusion |
|---|---|---|
| Caporossi A93 | 2006 | Case series too small |
| Caporossi A77 | 2011 | Case series size at follow-up not stated |
| Coskunseven E92 | 2009 | Case series too small |
| Croxatto J90 | 2010 | Case series too small |
| Derakhshan A89 | 2011 | Follow-up too short |
| Doors M88 | 2009 | Case series too small |
| Goldich Y87 | 2012 | Case series too small |
| Greenstein S94 | 2013 | No separate data for keratoconus presented |
| Greenstein S76 | 2011 | Redundant article |
| Hafezi F86 | 2009 | Case series too small |
| Holopainen J85 | 2011 | Follow-up too short |
| Hoyer A73 | 2010 | Redundant article |
| Jankov M84 | 2008 | Follow-up too short |
| Koller T82 | 2011 | Not exclusively keratoconus |
| Koller T83 | 2009 | Not exclusively keratoconus |
| Kymionis G81 | 2012 | Case series too small |
| Magli A (Transepithelial arm)51 | 2013 | Case series too small |
| Mazzotta C80 | 2007 | Follow-up too short |
| Raiskup F74 | 2010 | Redundant article |
| Salman A91 | 2013 | Follow-up too short |
| Tu K79 | 2009 | Case series too small |
| Wittig-Silva C78 | 2008 | Case series too small |
| Wollensak G3 | 2003 | Case series too small |