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Table 5 Calculated lens powers using the biometry and phakometry data of the whole population

From: A machine learning-based algorithm used to estimate the physiological elongation of ocular axial length in myopic children

Method

Symbol

Eye Model

c constants (mm)

Average (D)

Modified Stenstrom

PL,Sten

Gullstrand-Emsley

cSten = 2.145

20.68 ± 1.44

Bennett-Rabbetts

cSten = 2.221

20.82 ± 1.45

Customized

cSten = 2.875 ± 0.763

22.07 ± 1.56

Bennett-Rabbetts

PL,BR

Gullstrand-Emsley

cBR = 2.230

22.34 ± 1.54

Bennett-Rabbetts

cBR = 2.306

22.52 ± 1.56

Customized

cBR = 2.891 ± 0.778

23.95 ± 1.68

  1. n = 1011 eyes; D = diopters