Fig. 1From: Intrasession repeatability of pupil size measurements under different light levels provided by a multidiagnostic device in healthy eyesPassing-Bablok interchangeability analysis of the first and second measurements of pupil size under mesopic conditions. The confidence interval of x-intercept (coloured area) and slope of the adjusted lines does not include the values of 0 and 1, respectivelyBack to article page