Active drug dispensing ophthalmic device having a controller-responder architecture

A method comprising:

• determining, by a controller of an ophthalmic device, a selected drug reservoir from a plurality of drug reservoirs from which to release a drug, wherein the ophthalmic device further comprises:
• a plurality of responders connected to the controller via at least one control line bundle, and
• the plurality of drug reservoirs, wherein each of the plurality of drug reservoirs is configured to hold a volume of the drug and has an opening covered by an electrode,
• wherein each of the plurality of responders is in electrical connection with the electrode covering at least one of the plurality of drug reservoirs;
• configuring, by the controller, a working signal comprising:
• a power portion configured to power the plurality of responders to a low power mode, and
• a digital signal portion keyed to a responder in communication with the electrode covering the selected drug reservoir and configured to make the responder in communication with the electrode covering the selected drug reservoir enter a high power state and a remainder of the plurality of responders enter a sleep state;
• configuring, by the controller, an electrodissolution signal to be sent to the responder in the high power state to trigger release of the volume of the drug stored in the selected drug reservoir;
• and
• sending, by the controller, the working signal and then the electrodissolution signal to the plurality of responders via the at least one control line bundle,
• wherein in response to receiving the working signal and the electrodissolution signal the responder in the high power state is configured to send the electrodissolution signal to the electrode covering the selected drug reservoir to trigger electrodissolution of the electrode.

A method comprising:

• determining, by a controller of an ophthalmic device, a selected drug reservoir from a plurality of drug reservoirs from which to release a drug, wherein the ophthalmic device comprises:
• a plurality of responders connected to the controller via at least one control line bundle, and
• the plurality of drug reservoirs, wherein each of the plurality of drug reservoirs is configured to hold a volume of the drug and has an opening covered by an electrode,
• wherein each of the plurality of responders is in electrical connection with the electrode covering at least one of the plurality of drug reservoirs;
• configuring, by the controller, a working signal comprising:
• a power portion configured to power the plurality of responders to a low power mode,
• a digital signal portion keyed to a responder in communication with the electrode covering the selected drug reservoir and configured to make the responder in communication with the electrode covering the selected drug reservoir enter a high power state and a remainder of the plurality of responders enter a sleep state, and
• an electrodissolution signal portion to be sent to the responder in the high power state to trigger release of the volume of the drug stored in the selected drug reservoir;
• and
• sending, by the controller, the working signal to the plurality of responders via the at least one control line bundle,
• wherein in response to receiving the working signal the responder in the high power state is configured to send the electrodissolution signal portion to the electrode covering the selected drug reservoir to trigger electrodissolution of the electrode.