1. A system for analyzing physical conditions associated with a subject, comprising: an image acquisition device including: an optical assembly comprising a lens; a source light shield extending outwardly from the lens; UV light source for illuminating the subject; and white light source comprising a ring-shaped configuration for illuminating the subject, wherein the while light source is positioned behind the source light shield, said device configured to acquire a white-light image and a UV image of a physical feature of the subject, each of the white-light and UV images having a plurality of pixels, each pixel in the UV image corresponding to a respective pixel in the white-light image; a computer system configured to obtain results associated with at least one physical condition using information in the pixels in the white light and UV images.