Optical quality after posterior chamber Phakic implantation of an intraocular Lens with a central hole (V4c implantable Collamer Lens) under different lighting conditions

Table 4 Comparison of optical quality changes between Group H and S under dark conditions

Parameter	Time	Group H	Group S	P-value
ΔOSI	1 week	−0.325 ± 0.121	− 1.606 ± 0.198	0.001
	1 month	−0.379 ± 0.116	−1.746 ± 0.212	0.001
	3 months	−0.429 ± 0.125	− 1.727 ± 0.217	0.002
ΔMTF cutoff frequency	1 week	1.623 ± 1.587	7.443 ± 2.308	0.012
	1 month	1.347 ± 1.593	8.399 ± 2.476	0.004
	3 months	2.994 ± 1.533	10.503 ± 2.274	0.001
ΔStrehl ratio	1 week	0.006 ± 0.008	0.036 ± 0.012	0.011
	1 month	0.006 ± 0.009	0.038 ± 0.013	0.011
	3 months	0.016 ± 0.010	0.048 ± 0.013	0.016
ΔOV100%	1 week	0.058 ± 0.053	0.237 ± 0.077	0.020
	1 month	0.042 ± 0.053	0.275 ± 0.082	0.005
	3 months	0.099 ± 0.051	0.335 ± 0.076	0.002
ΔOV20%	1 week	0.025 ± 0.043	0.169 ± 0.061	0.018
	1 month	0.052 ± 0.042	0.203 ± 0.063	0.016
	3 months	0.089 ± 0.043	0.254 ± 0.060	0.006
ΔOV9%	1 week	0.015 ± 0.026	0.106 ± 0.037	0.013
	1 month	0.019 ± 0.027	0.110 ± 0.038	0.017
	3 months	0.058 ± 0.034	0.137 ± 0.043	0.048

ICL implantable collamer lens, OSI objective scattering index, MTF modulation transfer function, OV optical quality analysis system value

ISSN: 1471-2415