In some aspects, a user device may receive, from a vision sensor of a user device, first image data associated with a first set of images. The user device may determine, using an image processing model, that a set of images depict a particular type of eye activity of an eye of a user. The user device may cause, based at least in part on determining that the first set of images depict the particular type of eye activity, a power level of a camera of the user device to be reduced.