CSE1L and keratoconus: The overall editing index also supported the reduced RNA editing in the KC group, with 4.3 ± 0.66 in the KC group compared to 5.08 ± 0.0.88 in the CT group for Exp1 (P = 4.7e−05, Mann-Whitney U test; Fig. 1C) and 2.26 ± 0.32 in the KC group compared to 3.24 ± 0.53 in the CT group for EXP2 (P = 0.00014, Mann-Whitney U test, Fig. 1D).