Here are some of the advantages of an implantable contact lens: Potential for excellent quality of vision without glasses or contact lenses. A high percentage of patients report an improvement in vision over glasses or contact lenses. A reversible procedure since no tissue is removed. Near vision remains unchanged, unlike with a refractive lens exchange in which the crystalline lens of the eye is replaced with an artificial lens. Unlike a regular contact lens the ICL does not accumulate deposits and therefore does not need to be changed.