A.43 Stereometric Relationship IOD
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## A.43 Stereometric Relationship IOD

This Section defines an Information Object to be used for linking together images belonging to stereoscopic pairs. A Series IE will typically contain a single Stereometric Relationship IE that references one or more sets of stereoscopic images. Stereoscopic pairs for ophthalmic photographic imaging may include single images, multi-frame images, or cine images.

### A.43.1 Stereometric Relationship IOD Entity-Relationship Model

Figure A.43-1. Stereometric Relationship Information Object Definition E-R Model

### A.43.2 Stereometric Relationship IOD Modules

Table A.43-2. Stereometric Relationship IOD Modules

IE | Module | Reference | Usage
--- | --- | --- | ---
Patient | Patient | C.7.1.1 | M
Clinical Trial Subject | C.7.1.3 | U
Study | General Study | C.7.2.1 | M
Patient Study | C.7.2.2 | U
Clinical Trial Study | C.7.2.3 | U
Series | General Series | C.7.3.1 | M
Clinical Trial Series | C.7.3.2 | U
Stereometric Series | C.8.18.1 | M
Equipment | General Equipment | C.7.5.1 | M
Stereometric Relationship | Stereometric Relationship | C.8.18.2 | M
Common Instance Reference | C.12.2 | M
SOP Common | C.12.1 | M

### Note

The Specimen Identification Module was previously included in this IOD but has been retired. See PS3.3-2008.

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