US Patent 7811320 Intraocular lens system

A multi-component intraocular lens implanted in an optical system of a human eye, including one or more foldable removable components, each component being foldable. One component acts as a base lens, including a flange with a slot. Another component acts an optical assembly that may include a top lens joined to or integrated with a mid lens. The top lens, the mid lens or the optical assembly may include at least one projection that engages the slot of the base lens. A medical adhesive may be applied to an outer circumferential surface of the top lens to join the top lens to the mid lens or may be applied to a top surface of the top lens opposing a bottom surface of the mid lens.