Modular intraocular lens designs and methods

An intraocular lens system, comprising:

• a. an intraocular primary component having a body and one or more haptics, wherein the body is annular and defines a through opening having an inside perimeter, the body further includes a continuous recess extending around an entirety of the inside perimeter, the continuous recess being defined by an anterior-facing posterior wall and a radially-inward-facing lateral wall, and wherein the body further includes diametrically spaced extensions extending anteriorly of and radially inward from the radially-inward-facing lateral wall, the diametrically spaced extensions terminating with a radially-inward-facing concave free edge;
• and
• b. an intraocular secondary component having an optical body, wherein the secondary component is releasably attachable to the primary component by insertion of the secondary component into the continuous recess of the primary component such that an entire posterior periphery of the secondary component contacts the anterior-facing posterior wall of the recess, the diametrically spaced extensions extend over an anterior peripheral portion of the secondary component at discrete, diametrically spaced apart junctions, so as to interlock to thereby limit relative anterior and posterior movement between the primary and the second components and to leave the anterior peripheral portion exposed between the diametrically spaced extensions, and the secondary component is compressible for releasable attachment to the primary component;
• c. wherein the intraocular lens system is configured to provide optical correction to an eye solely via the optical body of the secondary component.

An intraocular lens system, comprising:

• a. a base having a body, a plurality of haptics extending from the body, a center opening extending in an anterior-posterior direction through the body to form a continuous annular ring having an insider perimeter, a continuous recess extending around an entirety of the inside perimeter, the continuous recess being defined by an anterior-facing posterior wall and a radially-inward-facing lateral wall, wherein the radially-inward-facing lateral wall includes diametrically spaced extensions extending anteriorly of and radially inward from the radially-inward-facing lateral wall, the diametrically spaced extensions terminating with a radially-inward-facing concave free edge, and the base being configured to fit within a lens capsule;
• and
• b. a lens having an optical body, wherein the lens is releasably attachable to the base by insertion of the lens into the continuous recess of the base such that an entire posterior periphery of the lens contacts the anterior-facing posterior wall of the recess, the diametrically spaced extensions extend over an anterior peripheral portion of the lens to form discrete, diametrically spaced apart junctions so as to interlock to thereby limit relative anterior and posterior movement between the base and the lens, and the lens is radially compressible for releasable attachment to the base;
• c. wherein the intraocular lens system is configured to provide optical correction to an eye solely via the lens, a surface of each of the diametrically spaced extensions is even with a portion of an anterior surface of the lens, and the radially-inward-facing lateral wall of the continuous recess, except at the diametrically spaced extensions, exposes a portion of the anterior peripheral portion of the lens.