The ZEISS ATLAS 500 maps the curvature of the cornea in detail, essential for fitting specialty contact lenses, screening for keratoconus, and planning refractive or cataract surgery. It also runs a full dry-eye assessment (meibography, tear break-up time, redness grading) from the same workstation. A dual-purpose diagnostic device that pays for itself quickly in any practice doing contact lens fitting or pre-refractive-surgery workups.