| Tobii Pro SDK C API
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| Data Fields | |
| TobiiResearchPoint3D | left | 
| TobiiResearchPoint3D | right | 
Represents the lens configuration of the HMD device.
| TobiiResearchPoint3D TobiiResearchHMDLensConfiguration::left | 
The point in HMD coordinate system that defines the position of the left lens (in millimeters).
| TobiiResearchPoint3D TobiiResearchHMDLensConfiguration::right | 
The point in HMD coordinate system that defines the position of the right lens (in millimeters).