An intraocular lens assembly , comprising: a base comprising: a ring comprising: an anterior surface and a posterior surface defining a ring thickness; an outer surface defining a ring diameter; and a pair of haptics extending from the outer surface of the ring, each haptic comprising a gusset region, an elbow region and a distal region, wherein an inner surface of the gusset region and the outer surface of the ring form a ring-haptic junction; and an optic comprising: an anterior side with an anterior surface defining an anterior surface diameter greater than the ring diameter; a posterior side comprising: a posterior surface ; a transition region radially outward of the posterior surface; a pair of sidewalls located radially outward of the transition region, wherein each sidewall has a sidewall height; and a pair of tabs extending in a posterior direction; wherein: each tab defines a tab height; each tab comprises a lateral extension ; and a tab positions the lateral extension posterior to a posterior surface of a haptic of the pair of haptics when the tab is positioned in the ring-haptic junction . a base comprising: a ring comprising: an anterior surface and a posterior surface defining a ring thickness; an outer surface defining a ring diameter; and a pair of haptics extending from the outer surface of the ring, each haptic comprising a gusset region, an elbow region and a distal region, wherein an inner surface of the gusset region and the outer surface of the ring form a ring-haptic junction; and an anterior surface and a posterior surface defining a ring thickness; an outer surface defining a ring diameter; and a pair of haptics extending from the outer surface of the ring, each haptic comprising a gusset region, an elbow region and a distal region, wherein an inner surface of the gusset region and the outer surface of the ring form a ring-haptic junction; and an optic comprising: an anterior side with an anterior surface defining an anterior surface diameter greater than the ring diameter; a posterior side comprising: a posterior surface ; a transition region radially outward of the posterior surface; a pair of sidewalls located radially outward of the transition region, wherein each sidewall has a sidewall height; and a pair of tabs extending in a posterior direction; wherein: each tab defines a tab height; each tab comprises a lateral extension ; and a tab positions the lateral extension posterior to a posterior surface of a haptic of the pair of haptics when the tab is positioned in the ring-haptic junction . an anterior side with an anterior surface defining an anterior surface diameter greater than the ring diameter; a posterior side comprising: a posterior surface ; a transition region radially outward of the posterior surface; a pair of sidewalls located radially outward of the transition region, wherein each sidewall has a sidewall height; and a pair of tabs extending in a posterior direction; wherein: each tab defines a tab height; each tab comprises a lateral extension ; and a tab positions the lateral extension posterior to a posterior surface of a haptic of the pair of haptics when the tab is positioned in the ring-haptic junction . a posterior surface ; a transition region radially outward of the posterior surface; a pair of sidewalls located radially outward of the transition region, wherein each sidewall has a sidewall height; and a pair of tabs extending in a posterior direction; wherein: each tab defines a tab height; each tab comprises a lateral extension ; and a tab positions the lateral extension posterior to a posterior surface of a haptic of the pair of haptics when the tab is positioned in the ring-haptic junction . each tab defines a tab height; each tab comprises a lateral extension ; and a tab positions the lateral extension posterior to a posterior surface of a haptic of the pair of haptics when the tab is positioned in the ring-haptic junction . <EOS>