CPC Subgroup
A61B 3/02 Subjective types, i.e. testing apparatus requiring the active assistance of the patient
Full Title
Apparatus for testing the eyes; Instruments for examining the eyes (eye inspection using ultrasonic, sonic or infrasonic waves A61B8/10) > Subjective types, i.e. testing apparatus requiring the active assistance of the patient
6 direct subcodes
Child Classifications
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- A61B 3/024 for determining the visual field, e.g. perimeter types
- A61B 3/028 for testing visual acuity; for determination of refraction, e.g. phoropters
- A61B 3/06 for testing light sensitivity, e.g. adaptation; for testing colour vision
- A61B 3/08 for testing binocular or stereoscopic vision, e.g. strabismus
- A61B 3/09 for testing accommodation