A.73 Corneal Topography Map IOD
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A.73 Corneal Topography Map IOD

A.73.1 Corneal Topography Map IOD Description

The Corneal Topography Map IOD is generated by ophthalmic corneal topography mapping devices, such as reflection-based topography and elevation-based tomography instruments to generate curvature and/or elevation measurements of corneal anterior and posterior surfaces that are presented topographically using a monochromatic image and a pseudo-color map.

A.73.2 Corneal IOD Entity-Relationship Model

The E-R Model in Section A.1.2 depicts those components of the DICOM Information Model that are referenced by the Corneal Topography Map IOD. Below the Series IE, only the Image IE is used.

A.73.3 Corneal Topography Map IOD Modules

Table A.73.3-1 specifies the Modules of the Corneal Topography Map IOD.

Table A.73.3-1. Corneal Topography Map 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

Corneal Topography Map Series

C.8.30.1

M

Equipment

General Equipment

C.7.5.1

M

Enhanced General Equipment

C.7.5.2

M

Frame of Reference

Frame of Reference

C.7.4.1

M

Image

General Image

C.7.6.1

M

Image Pixel

C.7.6.3

M

Palette Color Lookup Table

C.7.6.3.1.6

M

Corneal Topography Map Image

C.8.30.2

M

Corneal Topography Map Analysis

C.8.30.3

M

Ophthalmic Photography Acquisition Parameters

C.8.17.4

M

Acquisition Context

C.7.6.14

M

ICC Profile

C.11.15

U

SOP Common

C.12.1

M

A.73.4 Corneal Topography Map IOD Content Constraints

The following constraints on Image attributes take precedence over the descriptions given in the Module Attribute Tables.

A.73.4.1 Prohibited Modules

The Curve Module, Overlay Module and VOI LUT Module shall not be used in a Standard Extended SOP Class of the Corneal Topography Map.

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