An assembly of ophthalmic devices used to measure the curvature and concentricity of the anterior corneal surface. It typically consists of a line-powered videokeratoscope using Placido imaging (involves disk with concentric white and black rings), and application software for installation in an included computer workstation, or external computer, for image processing and analysis. This device will be used to evaluate the need for refractive eye surgery, e.g., laser assisted in situ keratomileusis (LASIK) treatment.