C.8.26.3.1 Ophthalmic Visual Field Global Index Macro

Table C.8.26.3-2 describes the attributes for the Ophthalmic Visual Field Global Index Macro.

Table C.8.26.3-2OPHTHALMIC VISUAL FIELD GLOBAL INDEX MACRO ATTRIBUTES

Attribute Name Tag Type Attribute Description
Data Observation Sequence (0024,0325) 1 Information about various visual field global indexes. Only a single Item shall be included in this sequence.
>Include ‘Content Item Macro’ Table 10-2 Value Type (0040,A040) shall be NUMERIC or CODE. Concept Name Code Sequence (0040,A043) shall use Context ID 4257. Concept Code Sequence (0040,A168) shall use Context ID 4254.
Index Normals Flag (0024,0338) 1 Whether normative data exists for this index. Enumerated Values: YES NO
Index Probability Sequence (0024,0344) 1C Probability value and software algorithm used to provide the index. Only a single Item shall be included in this sequence. Required if Index Normals Flag (0024,0338) is YES.
>Index Probability (0024,0341) 1 Probability for the index value within the normal population, in percent.
> Include Algorithm Identification Macro Table 10-19