A prosthetic capsular device system configured to be inserted in an eye, the system comprising: a wearable electronic technology device; and a prosthetic capsular device comprising a posterior side; an anterior side including an opening configured to allow insertion of an intraocular lens to be engaged at a position within the prosthetic capsular device; wherein the prosthetic capsular device comprises a cylindrical portion between the anterior side and the posterior side; characterized in that the prosthetic capsular device comprising: a tapered portion tapering from a diameter of the cylindrical portion to a diameter of the opening on the anterior side; and an internal lip configured to secure haptics of an intraocular lens in the device, wherein the posterior side is flat and an interior surface of the posterior side of the device is curved; and wherein the wearable electronic technology device is configured to be inserted in the prosthetic capsular device so that in use, the wearable electronic technology device is in the prosthetic capsular device, and configured to provide biometric measurement functions, computer functions, image generation and projection onto the retina, or internet connectivity. a wearable electronic technology device; and a prosthetic capsular device comprising a posterior side; an anterior side including an opening configured to allow insertion of an intraocular lens to be engaged at a position within the prosthetic capsular device; wherein the prosthetic capsular device comprises a cylindrical portion between the anterior side and the posterior side; characterized in that the prosthetic capsular device comprising: a tapered portion tapering from a diameter of the cylindrical portion to a diameter of the opening on the anterior side; and an internal lip configured to secure haptics of an intraocular lens in the device, wherein the posterior side is flat and an interior surface of the posterior side of the device is curved; and wherein the wearable electronic technology device is configured to be inserted in the prosthetic capsular device so that in use, the wearable electronic technology device is in the prosthetic capsular device, and configured to provide biometric measurement functions, computer functions, image generation and projection onto the retina, or internet connectivity. the prosthetic capsular device comprising: a tapered portion tapering from a diameter of the cylindrical portion to a diameter of the opening on the anterior side; and an internal lip configured to secure haptics of an intraocular lens in the device, a tapered portion tapering from a diameter of the cylindrical portion to a diameter of the opening on the anterior side; and an internal lip configured to secure haptics of an intraocular lens in the device, wherein the posterior side is flat and an interior surface of the posterior side of the device is curved; and wherein the wearable electronic technology device is configured to be inserted in the prosthetic capsular device so that in use, the wearable electronic technology device is in the prosthetic capsular device, and configured to provide biometric measurement functions, computer functions, image generation and projection onto the retina, or internet connectivity.