Evaluation of Disk Halo Size after Implantation of a Collamer Lens with a Central Hole (ICL V4c)

Table 1

Demographic and refractive data.

Parameters	Mean	SD
Age (years)	24.76	5.16
Sphere (D)	−9.64	2.57
Cylinder (D)	−1.57	1.06
SE (D)	−10.42	2.54
CDVA	1.09	0.10

D = diopters, SE = spherical equivalent, and CDVA = corrected distance visual acuity.