Envista lens for cataract What is an Intraocular Lens (IOL)? During cataract surgery, the cloudy natural lens of the eye is removed and replaced with a clear artificial lens called an intraocular lens (IOL). H. ” - Dr. 2015;31(2):90-97. Among the latest innovations is the enVista Envy IOL , developed by Bausch + Lomb . J Cataract Refract Surg. S. 0mm. 2013;39(9):1401-14. Complications may occur as a result of the removal of your cataract whether or not an intraocular lens is implanted. tiqkcipbgyazauiuhaxdbvyugedrmfxjvqnpbdbvorzglglhbquk