Comparison of accommodation and accommodative micro-fluctuation after implantable collamer lens and LASIK surgery for myopia

Table 1 The preoperative baseline characteristics of the ICL and LASIK groups

Parameter		ICL Group (n = 60 eyes)	LASIK Group (n = 60 eyes)	t	P value
Age		28.2 ± 4.1	27.0 ± 5.6	0.66	0.64
Sphere		−5.67 ± 1.25	−5.78 ± 0.92	0.34	0.75
Cylinder		−0.74 ± 0.86	−0.86 ± 0.63	0.62	0.74
Spherical equivalent refraction		−6.05 ± 1.21	−6.21 ± 1.13	0.51	0.69
Amplitude of accommodation		4.33 ± 0.86	4.48 ± 0.84	0.67	0.51
Accommodative lag		0.80 ± 0.44	0.50 ± 0.44	1.83	0.08
HFC		59.31 ± 2.33	59.27 ± 2.11	0.08	0.94
Ocular	Total HOA	7.05 ± 1.58	7.66 ± 1.33	1.52	0.14
	Coma	0.19 ± 0.09	0.16 ± 0.08	0.88	0.38
	Trefoil	0.25 ± 0.12	0.22 ± 0.09	1.02	0.31
	SA	0.09 ± 0.06	0.09 ± 0.07	0.07	0.95

ICL Phakic posterior chamber implantable contact lens implantation (V4c), LASIK Laser in situ keratomileusis, HFC High-frequency of accommodative micro-fluctuations, HOA Higher order aberration, SA Spherical aberrations, t Student’s t-test

ISSN: 1471-2415