Effects of V4c-ICL Implantation on Myopic Patients' Vision-Related Daily Activities

The new type implantable collamer lens with a central hole (v4c-icl) is widely used to treat myopia. however,halos occur in some patients after surgery. the aim is to evaluate the effect of v4c-icl implantation on vision-related daily activities. this retrospective study included 42 patients. uncorrected visual acuity (ucva),best corrected visual acuity (bcva),intraocular pressure (iop),endothelial cell density (ecd),and vault were recorded and vision-related daily activities were evaluated at 3 months after operation. the average spherical equivalent was-0.12±0.33 d at 3 months after operation. ucva equal to or better than preoperative bcva occurred in 98% of eyes. the average bcva at 3 months after operation was-0.03±0.07 logmar,which was significantly better than preoperative bcva (0.08±0.10 logmar) (p=0.029). apart from one patient (2.4%) who had difficulty reading computer screens,all patients had satisfactory or very satisfactory results. during the early postoperation,halos occurred in 23 patients (54.8%). however there were no significant differences in the scores of visual functions between patients with and without halos (p>0.05). patients were very satisfied with their vision-related daily activities at 3 months after operation. the central hole of v4c-icl does not affect patients' vision-related daily activities. © 2016 taixiang liu et al.