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Br J Ophthalmol 89:1433-1437 doi:10.1136/bjo.2005.067306
  • Clinical science
    • Scientific reports

Improving the repeatability of Heidelberg retina tomograph and Heidelberg retina tomograph II rim area measurements

Table 3

 Standard deviations of residuals for longitudinal HRT image series analysed using HRT Explorer

Strategy used for longitudinal image series Standard deviation of residuals(mm2)
Mean Median Range
Standard reference plane; non-aligned 0.10 0.10 0.01–0.40
Standard reference plane; aligned 0.09 0.08 0.01–0.40
320 μm reference plane; non-aligned 0.05 0.04 0.01–0.10
320 μm reference plane; aligned 0.04 0.03 0.01–0.10

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