Twelve-Year Follow-Up of Laser In Situ Keratomileusis for Moderate to High Myopia

Table 2

Summary for long-term clinical outcomes of conventional laser in situ keratomileusis (LASIK).

Author Year	Excimer laser	Eyes	Follow-up (years)	Mean Age (years)	Mean spherical equivalent (D)	Safety index	Efficacy index	Predictability; within ±1.0 D (%)	Myopic regression (D)	Retreatment (%)
Alió et al. 2009	VISX 20/20	34	10	29.4	−8.30	1.11	0.95	88	−0.97; 3 months to 10 years	18
Alió et al. 2008	VISX 20/20	97	10	33.2	−7.27	1.08	0.88	73	−1.04; 3 months to 10 years	20.6
Alió et al. 2008	VISX 20/20	196	10	32.9	−13.95	1.21	0.77	42	−1.83; 3 months to 10 years	27.5
Kymionis et al. 2007	MEL 60	11	11	41.7	−12.96	N.A.	N.A.	55	−1.14	0
Rosman et al. 2011	VISX 20/20	126	10	33.7	−14.33	1.20	0.84	42	−1.86; 3 months to 10 years	28.6
Oruçoğlu et al. 2012	Keracor	36	≥10	N.A.	−21.7	1.48	0.29	10; within ±2.0 D	−6.09	N.A.
Alió et al. 2015	VISX 20/20	40	15	51.1	−9.47	1.23	0.95	46	−1.66; 3 months to 15 years	30.8
Lim et al. 2016	VISX S4	36	10	26.6	−5.73	0.99	0.73	68	−1.09	0 (excluded)
Current	VISX STAR S2	68	12	34.4	−6.70	1.09	0.67	75	−0.74; 3 months to 12 years	17.6

D = diopter, N.A. = not applicable.