Astigmatism Axis

Preferred Label : Astigmatism Axis;

NCIt related terms : ASTAXIS;

Alternative definition : CDISC: A measurement of the location, in degrees, of the flatter principal meridian on a 180-degree scale, where 90 degrees designates the vertical meridian and 180 degrees designates the horizontal meridian.;

Details

Origin ID

C117889;

UMLS CUI

C3900010;

Semantic type(s)
- Diagnostic Procedure [UMLS semantic type]
concept_is_in_subset
- CDISC SDTM Ophthalmic Exam Test Code Terminology [NCIt concept]
- CDISC SDTM Ophthalmic Exam Test Name Terminology [NCIt concept]
- CDISC SDTM Terminology [NCIt concept]
- Clinical Data Interchange Standards Consortium Terminology [NCIt concept]

Keyword's position in hierarchy(ies) :

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