1 Scope
This document specifies the measurement data output formats for devices used in general
ophthalmic examiniations, including the following modalities:
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— Refractometer (REF) Refraction
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— Keratometer (KM) Corneal curvature
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— Tonometer (TM) Intraocular pressure
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— Lensmeter (LM) Spectacle lens power
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— 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.