scope:

This document specifies the measurement data output formats for devices used in general ophthalmic examiniations, including the following modalities: -    Refractometer (REF)   Refraction -    Keratometer (KM)        Corneal curvature -    Tonometer (TM)            Intraocular pressure -    Lensmeter (LM)             Spectacle lens power -    Phoroptor (PHOR)         Visual acuity This document only addresses text-based device reporting of ophthalmic examination device data (OEDD). Images generated as needed during an ophthalmic examination are outside the scope of this document.