title: The myth of clinical precision.
authors.forename: James D
authors.initials: JD
authors.lastname: Brandt
mesh_terms: D002138:Calibration / Q000592:standards; D006801:Humans; D007429:Intraocular Pressure / Q000502:physiology*; D015588:Observer Variation; D011786:Quality Control; D015203:Reproducibility of Results; D014065:Tonometry, Ocular / Q000592:standards*