LOINC long common name : Macular grid.outer nasal subfield thickness by OCT;
LOINC short name : Macular grid.ONS thickness OCT;
LOINC description : Mean ILM-RPE (internal limiting membrane - retinal pigment epithelium) measurement
of all A-scans within the nasal sector between the 1500 micrometer and the 3000 micrometer
circles, see ETDRS;