Preferred Label : Bayer Visual Acuity Changes Grade 4;
NCIt related terms : Grade 4;
NCIt definition : Visual acuity loss greater than or equal to 6 lines, leading to blindness. (ETDRS
equivalent: each loss of 3 lines corresponds to halving the visual acuity);
NCI Metathesaurus CUI : CL509822;
Origin ID : C128450;
UMLS CUI : C4284298;
Automatic exact mappings (from CISMeF team)
- grade 4 [Blood Transfusion thesaurus concept]
Semantic type(s)
concept_is_in_subset