DICOM PS3.3 2016c - Information Object Definitions

A.60 Ophthalmic Refractive Measurements Information Object Definitions
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## A.60 Ophthalmic Refractive Measurements Information Object Definitions

The following IODs specify module use for storage of the measurements from ophthalmic refractive instruments. These instruments address the power of a lens or of a patient's eye to bend light. There are many ophthalmic refractive instruments used to create this type of information. Some examples include Lensometers, Keratometers, Autorefractors, etc. An Ophthalmic Measurements SOP Instance is related to a single Series within a single Study.

### A.60.1 Lensometry Measurements IOD

#### A.60.1.1 Lensometry Measurements IOD Description

The Lensometry Measurements IOD is used to capture the refractive measurements by a lensometer of spectacles.

#### A.60.1.2 Lensometry Measurements IOD Entity-Relationship Model

This IOD uses the E-R Model inSection A.1.2, with only the Measurements IE below the Series IE.

#### A.60.1.3 Lensometry Measurements IOD Module Table

Table A.60.1-1 specifies the Modules of the Lensometry Measurements IOD.

Table A.60.1-1. Lensometry Measurements 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
Lensometry Measurements Series | C.8.25.1 | M
Clinical Trial Series | C.7.3.2 | U
Equipment | General Equipment | C.7.5.1 | M
Enhanced General Equipment | C.7.5.2 | M
Measurements | General Ophthalmic Refractive Measurements | C.8.25.7 | M
Lensometry Measurements | C.8.25.8 | M
SOP Common | C.12.1 | M

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DICOM PS3.3 2016c - Information Object Definitions