An intraocular lens device (100, 500, 800) comprising: a first lens (110, 510, 810) comprising a pair of opposing and deformable surfaces (112, 114, 512, 514, 812, 814) joined together at the periphery of the first lens (110, 510, 810) to define a bi-convex exterior shape and a cavity therebetween, wherein the opposing surfaces (112, 114, 512, 514, 812, 814) have central regions (112a, 114a) and peripheral regions (112b, 114b) and a gradually increasing thickness profile from the peripheral regions (112b, 114b) to the central regions (112a, 114b); a second lens (150, 550, 850); a circumferential haptic having an outer peripheral edge (180, 580, 880), the circumferential haptic coupling the first lens (110, 510, 810) and the second lens (150, 550, 850), wherein a lens periphery (170, 570, 870) of the circumferential haptic is solid and has a thickness that is greater than that of the second lens (150, 550, 850); and a main intraocular lens cavity (130, 530, 830) defined by the circumferential haptic, the first lens (110, 510, 810) and the second lens (150, 550, 850); wherein the intraocular lens device (100, 500, 800) is resiliently biased to an unaccommodated state in which the intraocular lens device (100, 500, 800) has a first diameter d 1 in the absence of radial compressive forces exerted on the outer peripheral edge (180, 580, 880); wherein the intraocular lens device (100, 500, 800) actuates to an accommodated state with a second diameter d 2 in response to radial compressive forces exerted on the outer peripheral edge (180, 580, 880), wherein d 1 > d 2; and wherein the opposing surfaces (112, 114, 512, 514, 812, 814) of the first lens (110, 510, 810) are displaced away from each other upon the application of a radial force along the circumferential haptic. a first lens (110, 510, 810) comprising a pair of opposing and deformable surfaces (112, 114, 512, 514, 812, 814) joined together at the periphery of the first lens (110, 510, 810) to define a bi-convex exterior shape and a cavity therebetween, wherein the opposing surfaces (112, 114, 512, 514, 812, 814) have central regions (112a, 114a) and peripheral regions (112b, 114b) and a gradually increasing thickness profile from the peripheral regions (112b, 114b) to the central regions (112a, 114b); a second lens (150, 550, 850); a circumferential haptic having an outer peripheral edge (180, 580, 880), the circumferential haptic coupling the first lens (110, 510, 810) and the second lens (150, 550, 850), wherein a lens periphery (170, 570, 870) of the circumferential haptic is solid and has a thickness that is greater than that of the second lens (150, 550, 850); and a main intraocular lens cavity (130, 530, 830) defined by the circumferential haptic, the first lens (110, 510, 810) and the second lens (150, 550, 850); wherein the intraocular lens device (100, 500, 800) is resiliently biased to an unaccommodated state in which the intraocular lens device (100, 500, 800) has a first diameter d 1 in the absence of radial compressive forces exerted on the outer peripheral edge (180, 580, 880); wherein the intraocular lens device (100, 500, 800) actuates to an accommodated state with a second diameter d 2 in response to radial compressive forces exerted on the outer peripheral edge (180, 580, 880), wherein d 1 > d 2; and wherein the opposing surfaces (112, 114, 512, 514, 812, 814) of the first lens (110, 510, 810) are displaced away from each other upon the application of a radial force along the circumferential haptic.