DICOM PS3.3 2019d - Information Object Definitions

C.8.17.8 Ophthalmic Tomography Acquisition Parameters Module

Table C.8.17.8-1 describes patient clinical conditions related to an Ophthalmic Tomography image acquisition.

Table C.8.17.8-1. Ophthalmic Tomography Acquisition Parameters Module Attributes

Attribute Name

Tag

Type

Attribute Description

Axial Length of the Eye

(0022,0030)

2

Axial length of the eye in mm.

Horizontal Field of View

(0022,000C)

2

The horizontal field of view in degrees

Include Table C.8.17.8-2 “Ophthalmic Acquisition Parameters Macro Attributes”


Table C.8.17.8-2. Ophthalmic Acquisition Parameters Macro Attributes

Attribute Name

Tag

Type

Attribute Description

Refractive State Sequence

(0022,001B)

2

The refractive state of the imaged eye at the time of acquisition.

Zero or one Itemshall be included in this Sequence.

Zero length means the refractive state was not measured.

>Spherical Lens Power

(0022,0007)

1

Sphere value in diopters

>Cylinder Lens Power

(0022,0008)

1

Cylinder value in diopters

>Cylinder Axis

(0022,0009)

1

Axis value in degrees

Emmetropic Magnification

(0022,000A)

2

Emmetropic magnification value (dimensionless). Zero length means the emmetropic magnification was not measured.

Intra Ocular Pressure

(0022,000B)

2

Value of intraocular pressure in mmHg.

Zero length means the pressure was not measured

Pupil Dilated

(0022,000D)

2

Whether or not the patient's pupils were pharmacologically dilated for this acquisition.

Enumerated Values:

YES

NO

If this Attribute is empty, no information is available.

Mydriatic Agent Sequence

(0022,0058)

2C

Information about the agent administered.

Zero or more Items shall be included in this Sequence.

Note

An empty Sequence indicates that an agent was used for dilation, but the name was not entered.

Required if the value of Pupil Dilated (0022,000D) is YES.

>Mydriatic Agent Code Sequence

(0022,001C)

1

The actual agent administered to dilate the pupil.

Only a single Item shall be included in this Sequence.

>>Include Table 8.8-1 “Code Sequence Macro Attributes”

BCID 4208 “Mydriatic Agent”.

>Mydriatic Agent Concentration

(0022,004E)

3

The concentration of the agent.

>Mydriatic Agent Concentration Units Sequence

(0022,0042)

1C

Units of measure for the Mydriatic Agent Concentration.

Only a single Item shall be included in this Sequence.

Required if Mydriatic Agent Concentration (0022,004E) is present.

>>Include Table 8.8-1 “Code Sequence Macro Attributes”

DCID 82 “Units of Measurement”.

Degree of Dilation

(0022,000E)

2C

The degree of the dilation in mm.

Required if the value of Pupil Dilated (0022,000D) is YES.


DICOM PS3.3 2019d - Information Object Definitions