A contact lens comprising: a substrate; and a circuit comprising: a sensor disposed on or within the substrate, wherein the sensor is configured to: sense a biological feature associated with a wearer of the contact lens; and provide a sensor output indicative of a sensed value of the biological feature, wherein the sensor output is dependent on a temperature of the sensor; a compensation circuit disposed on or within the substrate and coupled to the sensor, wherein the compensation circuit comprises: a temperature component configured to sense the temperature of the sensor; a communication component configured to: transmit information indicative of the temperature of the sensor to a device external to the contact lens; and receive adjustment information, from the device external to the contact lens, associated with adjusting the output of the sensor; and an adjustment component configured to generate an adjusted sensor output indicative of a corrected value of the biological feature based on the sensor output and on adjustment information, wherein the adjustment information is configured to compensate for dependence of the sensor output on the temperature of the sensor; wherein the communication component is further configured to transmit information indicative of the adjusted sensor output to the device external to the contact lens. a substrate; and a circuit comprising: a sensor disposed on or within the substrate, wherein the sensor is configured to: sense a biological feature associated with a wearer of the contact lens; and provide a sensor output indicative of a sensed value of the biological feature, wherein the sensor output is dependent on a temperature of the sensor; a compensation circuit disposed on or within the substrate and coupled to the sensor, wherein the compensation circuit comprises: a temperature component configured to sense the temperature of the sensor; a communication component configured to: transmit information indicative of the temperature of the sensor to a device external to the contact lens; and receive adjustment information, from the device external to the contact lens, associated with adjusting the output of the sensor; and an adjustment component configured to generate an adjusted sensor output indicative of a corrected value of the biological feature based on the sensor output and on adjustment information, wherein the adjustment information is configured to compensate for dependence of the sensor output on the temperature of the sensor; a sensor disposed on or within the substrate, wherein the sensor is configured to: sense a biological feature associated with a wearer of the contact lens; and provide a sensor output indicative of a sensed value of the biological feature, wherein the sensor output is dependent on a temperature of the sensor; sense a biological feature associated with a wearer of the contact lens; and provide a sensor output indicative of a sensed value of the biological feature, wherein the sensor output is dependent on a temperature of the sensor; a compensation circuit disposed on or within the substrate and coupled to the sensor, wherein the compensation circuit comprises: a temperature component configured to sense the temperature of the sensor; a communication component configured to: transmit information indicative of the temperature of the sensor to a device external to the contact lens; and receive adjustment information, from the device external to the contact lens, associated with adjusting the output of the sensor; and an adjustment component configured to generate an adjusted sensor output indicative of a corrected value of the biological feature based on the sensor output and on adjustment information, wherein the adjustment information is configured to compensate for dependence of the sensor output on the temperature of the sensor; a temperature component configured to sense the temperature of the sensor; a communication component configured to: transmit information indicative of the temperature of the sensor to a device external to the contact lens; and receive adjustment information, from the device external to the contact lens, associated with adjusting the output of the sensor; and transmit information indicative of the temperature of the sensor to a device external to the contact lens; and receive adjustment information, from the device external to the contact lens, associated with adjusting the output of the sensor; and an adjustment component configured to generate an adjusted sensor output indicative of a corrected value of the biological feature based on the sensor output and on adjustment information, wherein the adjustment information is configured to compensate for dependence of the sensor output on the temperature of the sensor; wherein the communication component is further configured to transmit information indicative of the adjusted sensor output to the device external to the contact lens.