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IHE Eye Care: Ophthalmic Devices and DICOM IODs IHE North America Webinar Series 2008 Mike Schmidt Medflow Inc.

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Presentation on theme: "IHE Eye Care: Ophthalmic Devices and DICOM IODs IHE North America Webinar Series 2008 Mike Schmidt Medflow Inc."— Presentation transcript:

1 IHE Eye Care: Ophthalmic Devices and DICOM IODs IHE North America Webinar Series 2008 Mike Schmidt Medflow Inc.

2 Learning Objectives How to categorize ophthalmic devices Mapping to/from DICOM modality codes What DICOM IODs to use Goal: Help you understand what is needed to adapt software products to IHE Eye Care

3 Ophthalmic Device Types an informal list Lensometer Autorefractor / Keratometer Pachymeter Autophoropter Ultrasound B-Scan Ultrasound A-Scan Biometer Optical A-Scan Biometer Endothelial Camera Operating Microscope Digital Slit Lamp Digital Fundus Camera Visual Field Analyzer OCT Scheimpflug Camera Corneal Topographer Wavefront Analyzer GDx HRT

4 Modality Codes – CID 29 USUltrasound OCTOptical Coherence Tomography (superceded) OPMOphthalmic Mapping OPOphthalmic Photography OPROphthalmic Refraction (retired) OPTOphthalmic Tomography OPVOphthalmic Visual Field ARAutorefraction KERKeratometry LENLensometry SRFSubjective Refraction VAVisual Acuity

5 Acquisition Device Type CID 4202 Attribute (0022,0015) in OP parameters module R-1021AFundus Camera A-2B201Biomicroscope R-1021BExternal Camera R-1021CSpecular Microscope A-2B210Operating Microscope A-00E8AScanning Laser Ophthalmoscope R-1021DIndirect Ophthalmoscope R-1021EDirect Ophthalmoscope R-1021FOphthalmic Endoscope A-00FCAKeratoscope

6 Acquisition Device Type CID 4210 Attribute (0022,0015) in OPT parameters module A-00FBEOptical Coherence Tomography Scanner R-FAB5ARetinal Thickness Analyzer A-00E8BConfocal Scanning Laser Ophthalmoscope 111626Scheimpflug Camera

7 IHE Eye Care SOP Classes Ophthalmic Images SOP Class UIDSOP Class Name 1.2.840.10008.5.1.4.1.1.6.1Ultrasound Image Storage 1.2.840.10008.5.1.4.1.1.3.1Ultrasound Multi-frame Image Storage 1.2.840.10008.5.1.4.1.1.77.1.5.1Ophthalmic 8 bit Photography Image Storage 1.2.840.10008.5.1.4.1.1.77.1.5.2Ophthalmic 16 bit Photography Image Storage 1.2.840.10008.5.1.4.1.1.88.33Stereometric Relationship Storage 1.2.840.10008.5.1.4.1.1.77.1.5.4Ophthalmic Tomography Image Storage

8 Stereometric Relationships The stereometric relationship module is used to identify pairs of images that may be viewed in stereo. It is possible that the same image or frame may be a member of multiple pairs. The images forming a pair shall be in different SOP Instances. The images forming a pair can be in different Series. All instances referenced in this Module shall be in the same Study as the Instance in which the Module occurs.

9 IHE Eye Care SOP Classes Radiological Images SOP Class UIDSOP Class Name 1.2.840.10008.5.1.4.1.1.1Computed Radiography Image Storage 1.2.840.10008.5.1.4.1.1.1.1Digital X-Ray Image Storage – For Presentation 1.2.840.10008.5.1.4.1.1.2CT Image Storage 1.2.840.10008.5.1.4.1.1.4MR Image Storage 1.2.840.10008.5.1.4.1.1.12.1X-Ray Angiographic Image Storage 1.2.840.10008.5.1.4.1.1.7Secondary Capture Image Storage

10 IHE Eye Care SOP Classes Evidence Documents SOP Class UIDSOP Class Name 1.2.840.10008.5.1.4.1.1.104.1Encapsulated PDF Storage The PDF contents of the DICOM Encapsulate PDF objects shall conform to PDF/A-1a

11 IHE Eye Care SOP Classes Refractive Measurements SOP Class UIDSOP Class Name 1.2.840.10008.5.1.4.1.1.78.1Lensometry Measurements 1.2.840.10008.5.1.4.1.1.78.2Autorefraction Measurements 1.2.840.10008.5.1.4.1.1.78.3Keratometry Measurements 1.2.840.10008.5.1.4.1.1.78.4Subjective Refraction Measurements 1.2.840.10008.5.1.4.1.1.78.5Visual Acuity Measurements 1.2.840.10008.5.1.4.1.1.78.6Spectacle Prescription Report

12 Summary putting it all together… Informal Device TypeSOP ClassesModalityAcquisition Device Type Code Lensometer Lensometry MeasurementsLENNA Autorefractor / Keratometer Autorefraction MeasurementsARNA Keratometry MeasurementsKERNA Pachymeter Encapsulated PDF StorageOTNA Auto Phoropter Subjective Refraction MeasurementsSRFNA Visual Acuity MeasurementsVANA Ultrasound B-Scan Ultrasound Image StorageUSNA Ultrasound A-Scan Biometer Encapsulated PDF StorageOTNA Optical A-Scan Biometer Encapsulated PDF StorageOTNA Endothelial Camera Ophthalmic Photography Image Storage OPSpecular Microscope Operating Microscope Ophthalmic Photography Image Storage OPOperating Microscope Stereometric Relationship Storage SMRNA

13 Summary putting it all together… Informal Device Type SOP ClassesModalit y Acquisition Device Type Code Operating Microscope Ophthalmic Photography Image Storage OPOperating Microscope Stereometric Relationship Storage SMRNA Digital Slit Lamp Ophthalmic Photography Image Storage OPExternal Camera Digital Fundus Camera Ophthalmic Photography Image Storage OPFundus Camera Stereometric Relationship Storage SMRNA Visual Field Analyzer Encapsulated PDF Storage OPVNA OCT Ophthalmic Tomography Image Storage OPTOptical Coherence Tomography Scanner Encapsulated PDF StorageOPTNA Scheimpflug Camera Ophthalmic Tomography Image StorageOPTScheimpflug Camera Encapsulated PDF StorageOPTNA Corneal Topographer Encapsulated PDF StorageOPMNA Wavefront Analyzer Encapsulated PDF StorageOPMNA GDX Encapsulated PDF StorageOPMNA HRTOphthalmic Tomography Image StorageOPTConfocal Scanning Laser Ophthalmoscope Encapsulated PDF StorageOPTNA


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