Prospective Randomized Multicenter Comparison of the Clinical Outcomes of V4c and V5 Implantable Collamer Lenses: A Contralateral Eye Study

Table 2

Comparison of visual and refractive outcomes between the V4c and V5 models 6 months after surgery.

Variable	V4c	V5	value
UCDVA (logMAR); (Snellen)	−0.23 ± 0.09; 20/12	−0.19 ± 0.12; 20/13	0.152
CDVA(logMAR); (Snellen)	−0.25 ± 0.07; 20/11	−0.26 ± 0.07; 20/11	0.500
Manifest sphere (D)	0.20 ± 0.30	−0.22 ± 0.42	0.497
Manifest cylinder (D)	−0.29 ± 0.29	−0.27 ± 0.22	0.125
Spherical equivalent (D)	0.05 ± 0.07	−0.09 ± 0.38	0.505
Efficacy index	1.16 ± 0.22	1.03 ± 0.23	0.044
Safety index	1.21 ± 0.20	1.19 ± 0.20	>0.999

UCDVA: uncorrected distance visual acuity; CDVA: corrected distance visual acuity. Values are presented as mean ± standard deviation.