A modification method and system. The method includes performing a computer processor of a computing system, a facial recognition process of an individual associated with a device. The computer processor retrieves from a detection device, eyewear detection data indicating that the individual is correctly wearing eyewear and tint detection data indicating that the eyewear comprises tinted lenses. In response, the computer processor analyzes results of the facial recognition process, the eyewear detection data, and the tint detection data. The computer processor modifies functions associated with the first device in response to results of the analysis.