The following constants are WINBIO_BIOMETRIC_SUBTYPE values that can be used to specify the types for iris recognition beyond ANSI INCITS 379-2004: "Iris Image Interchange Format", which does not define any left/right eye values:
Constant/value
Description
WINBIO_IRIS_TYPE_UNKNOWN
0
The iris type is unknown.
WINBIO_IRIS_LEFT_EYE
0xF5
The iris type is the left eye.
WINBIO_IRIS_RIGHT_EYE
0xF6
The iris type is the right eye.
WINBIO_IRIS_UNSPECIFIED_POS_01
0xF7
Subtype associated with a user s first template when only one eye is camera frame and it cannot be determined whether it is the user s left or right eye.
WINBIO_IRIS_UNSPECIFIED_POS_02
0xF8
Subtype associated with a user s second template when only one eye is camera frame and it cannot be determined whether it is the user s left or right eye.