The EVO Visian ICL is an Implantable Collamer Lens, a micro-thin lens implanted in the eye to correct common vision problems. Unlike other vision correction procedures like LASIK and PRK, the EVO Visian ICl does not require the removal of any corneal tissue, so it’s Trusted Source Parkhurst GD, Psolka M, Kezirian GM Phakic intraocular lens implantation in United States military warfighters: a retrospective analysis of early clinical outcomes of the Visian ICL Go to Source ideal for patients with thin corneas. 1 This implant works in harmony with the natural eye, provides UV protection and excellent night vision, and is totally removable and upgradable. Best of all, it provides sharp, clear vision, often without the need for Trusted Source Sanders D, Vukich JA Comparison of implantable collamer lens (ICL) and laser-assisted in situ keratomileusis (LASIK) for low myopia Go to Source glasses or contacts. 2