Fig. 3

Primal value (a) and change (b) in the length from corneal endothelium to retina (ER) pre-operation and at different stages post FS-LASIK and SMILE. FS-LASIK = femtosecond laser-assisted laser in situ keratomileusis, SMILE = small incision lenticule extraction, pos1w, pos1m, pos3m and pos6m mean 1 week, 1 month, 3 months and 6 months post-operation; LM = low to moderate myopia group, HM = high myopia group