Method for mounting functional elements in a lens

A method for mounting a functional element in a lens, the method comprising:

• providing a prism on a foil;
• positioning a functional element on the prism, the functional element including at least one of a camera, a light-emitting element, or a passive element;
• fixing the position of the functional element on the prism;
• positioning the foil with the functional element fixed to the prism a predetermined distance to a front surface of a mould;
• casting and curing a polymer with the functional element and foil embedded therein.

A method for mounting a functional element in a lens, the method comprising:

• mounting the functional element on a first side of a foil;
• positioning a second side of the foil on a closed contour alignment surface of an alignment tool;
• applying a pressure on a central opening of the alignment tool, the central opening surrounded by the closed contour alignment surface, to maintain the foil with the functional element on the alignment tool;
• cutting a foil section from the foil, the foil section including the functional element,
• adjusting at least one of a position or orientation of the foil section to align the functional element with a predetermined position or orientation, respectively;
• fixing the position or orientation of the foil section;
• positioning the foil and functional element a predetermined distance from a front surface of a casting mould;
• and
• casting and curing a polymer with the foil and functional element embedded therein.