Table 3. Preoperative and postoperative clinical parameters.

	Pre-op	1 week	1 month	3 months	6 months
Ocular Surface Disease Index (mean±SD)
SMILE	12.26±12.45	23.95±13.54	16.72±10.96	12.05±9.38	8.47±7.89
femto-LASIK	11.59±16.92	18.78±19.01	17.77±16.64	16.22±15.29	15.50±14.00
Tear Breakup Time (mean±SD, s)
SMILE	8.58±4.42	4.32±3.57	5.68±4.84	5.03±3.83	7.06±3.85
femto-LASIK	7.88±5.57	4.70±3.65	3.77±2.91	4.43±4.22	4.97±3.57
Schirmer Scores (mean±SD, mm)
SMILE	14.63±7.51	13.51±10.96	12.11±7.58	14.14±9.38	13.28±8.72
femto-LASIK	15.36±9.47	10.00±8.28	10.90±7.99	13.73±9.54	13.17±9.32
Corneal Sensation (mean±SD, mm)
SMILE	58.16±3.37	29.59±17.73	30.00±16.37	37.92±15.42	46.94±11.73
femto-LASIK	57.27±6.26	20.61±15.50	21.45±15.34	27.50±17.46	39.17±16.09

SMILE: small incision lenticule extraction. femto-LASIK: femtosecond LASIK.

SD: standard deviation.