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Refractive outcomes at 12 months after the Implantable Collamer Lens V4c implantation in ophthalmic viscosurgical device-free (OVD-free)/OVD group. (A) Change in corrected distance visual acuity (CDVA). (B) Uncorrected distance visual acuity (UDVA). (C) Difference between postoperative UDVA and preoperative CDVA. (D) Spherical equivalent refractive accuracy.
