DIFF Subgroup
A61B 3/11 for measuring interpupillary distance or diameter of pupils
Introduced: January 1990
Full Title
Full titles differ between systems:
IPC:
Apparatus for testing the eyes; Instruments for examining the eyes > Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions > for measuring interpupillary distance or diameter of pupils
CPC:
Apparatus for testing the eyes; Instruments for examining the eyes (eye inspection using ultrasonic, sonic or infrasonic waves A61B8/10) > Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions > for measuring interpupillary distance or diameter of pupils
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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