Table 1

Mean, SD and limits of the e-norm value

MeasurementMean±SDMean −2SDMean +2SD
Axial length (in mm)
 Normal23.50±0.5022.524.5
 Medium-long24.75±0.1324.5124.99
 Medium-short22.25±0.1222.0122.49
Anterior chamber depth (in mm)3.00±0.252.53.5
Lens thickness (in mm)4.92±0.264.45.44
K readings (in dioptres)43.66±0.5842.544.82
  • e-norm, extrapolated norm.