C.8.25.14.4 Ophthalmic Axial Measurements Selected Macro

Table C.8.25.14-5 describes the attributes for the Ophthalmic Axial Measurements Selected Macro. These are the attributes of the Ophthalmic Axial Length (0022,1019) selected for use in IOL calculations.

Table C.8.25.14-5 OPHTHALMIC AXIAL MEASUREMENTS SELECTED MACRO

Attribute Name Tag Type Attribute Description
Ultrasound Selected Ophthalmic Axial Length Sequence (0022,1230) 1C Information related to the selected axial length measurement of the patient’s eye when acquired on an ultrasound device. Only a single Item shall be included in this sequence. Required if Ophthalmic Axial Measurements Device Type (0022,1009) is ULTRASOUND.
>Ophthalmic Axial Length (0022,1019) 1 The axial length measurement, in mm. The type of measurement is specified in the Ophthalmic Axial Length Measurements Type (0022,1010). See sections and C.8.25.14.1.1.4 for further explanation.
>Ophthalmic Axial Length Selection Method Code Sequence (0022,1250) 1 Method used to derive the value recorded in Ophthalmic Axial Length (0022,1019). Only a single Item shall be included in this sequence.
>>Include 'Code Sequence Macro' Table 8.8-1. Defined Context ID is 4241
>Referenced Ophthalmic Axial Length Measurement QC Image Sequence (0022,1330) 1 References to the quality control image associated with this measurement. Only a single Item shall be included in this sequence. See section C.8.25.14.1.1.6 for further explanation.
>> Include ‘Ophthalmic Axial Measurements Quality Image SOP Instance Reference Macro’ Table C.8.25.16-6
>Ophthalmic Axial Length Quality Metric Sequence (0022,1262) 1 Information about the quality metric applied to Ophthalmic Axial Length (0022,1019). Only a single Item shall be included in this sequence.
>>Include ‘Ophthalmic Axial Length Quality Metric Macro’ Table C.8.25.14-6
>Selected Segmental Ophthalmic Axial Length Sequence (0022,1257) 1C Segmental axial length measurements of a patient’s eye that are summed to derive a total axial length for the eye. One or more items shall be included in this sequence. Required if Ophthalmic Axial Length Measurements Type (0022,1010) is LENGTH SUMMATION.
>>Ophthalmic Axial Length (0022,1019) 1 The axial length measurement, in mm. The type of measurement is specified in the Ophthalmic Axial Length Measurements Type (0022,1010). See sections C.8.25.14.1.1.3 and C.8.25.14.1.4 for further explanation.
>>Ophthalmic Axial Length Measurements Segment Name Code Sequence (0022,1101) 1 Name of the segment measured. See section C.8.25.14.1.1.4 for further explanation. Only a single Item shall be included in this sequence.
>>>Include 'Code Sequence Macro' Table 8.8-1. Defined Context ID is 4233
Optical Selected Ophthalmic Axial Length Sequence (0022,1255) 1C Information related to the selected axial length measurement(s) of the patient’s eye when acquired on an optical device. One or more items shall be included in this sequence. Required if Ophthalmic Axial Measurements Device Type (0022,1009) is OPTICAL.
>Selected Total Ophthalmic Axial Length Sequence (0022,1260) 1C Total axial length measurement selected for the patient’s eye. Required if Ophthalmic Axial Length Measurements Type (0022,1010) is TOTAL LENGTH. Only a single Item shall be included in this sequence.
>>Ophthalmic Axial Length (0022,1019) 1 The axial length measurement, in mm. The type of measurement is specified in the Ophthalmic Axial Length Measurements Type (0022,1010). See sections C.8.25.14.1.1.3 and C.8.25.14.1.1.4 for further explanation.
>>Referenced Ophthalmic Axial Length Measurement QC Image Sequence (0022,1330) 1 Reference to the quality control image associated with this measurement. Only a single Item shall be included in this sequence. See section C.8.25.14.1.1.6 for further explanation.
>>> Include ‘Ophthalmic Axial Measurements Quality Image SOP Instance Reference Macro’ Table C.8.25.16-6
>>Ophthalmic Axial Length Quality Metric Sequence (0022,1262) 1 Information about the quality metric applied to Ophthalmic Axial Length (0022,1019). Only a single Item shall be included in this sequence.
>>>Include ‘Ophthalmic Axial Length Quality Metric Macro’ Table C.8.25.14-6
>Selected Segmental Ophthalmic Axial Length Sequence (0022,1257) 1C Segmental axial length measurement(s) selected for the patient’s eye. One or more items shall be included in this sequence. Required if Ophthalmic Axial Length Measurements Type (0022,1010) is SEGMENTAL LENGTH. May be present otherwise.
>>Ophthalmic Axial Length Measurements Segment Name Code Sequence (0022,1101) 1 Name of the segment measured. See section C.8.25.14.1.1.4 for further explanation. Only a single Item shall be included in this sequence.
>>>Include 'Code Sequence Macro' Table 8.8-1. Defined Context ID is 4233
>>Ophthalmic Axial Length (0022,1019) 1 The axial length measurement, in mm. The type of measurement is specified in the Ophthalmic Axial Length Measurements Type (0022,1010). See sections C.8.25.14.1.1.3 and C.8.25.14.1.1.4 for further explanation.
>>Referenced Ophthalmic Axial Length Measurement QC Image Sequence (0022,1330) 3 Reference to the quality control image associated with this measurement. Only a single Item is permitted in this sequence. See section C.8.25.14.1.1.6 for further explanation.
>>>Include ‘Ophthalmic Axial Measurements Quality Image SOP Instance Reference Macro’ Table C.8.25.16-6
>>Ophthalmic Axial Length Quality Metric Sequence (0022,1262) 3 Information about the quality metric applied to Ophthalmic Axial Length (0022,1019). Only a single Item is permitted in this sequence.
>>>Include ‘Ophthalmic Axial Length Quality Metric Macro’ Table C.8.25.14-6