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. 2018 Jan 4;10:1–8. doi: 10.2147/OPTO.S151294

Table 2.

Average amplitude of accommodation compared to predicted values from Hofstetter formula

Variable Mean (D) SD p-value
Average of AC push up/push down 8.04 3.09 <0.0001
Predicted values from Hofstetter formula 6.23 0.80

Abbreviations: AC, amplitude of accommodation; D, diopters; SD, standard deviation.