Table 6 Axial length measurement and agreement between AOCT-1000 M and IOL Master 500

Axial length

Normal eyes except ametropia

25.01 ± 1.05

25.05 ± 1.09

Eyes with abnormal corneal morphology

25.02 ± 1.17

25.01 ± 1.16

Eyes after corneal refractive surgery

24.99 ± 1.02

25.00 ± 1.03

Cataract eyes

23.17 ± 0.49

23.12 ± 0.52

Eyes after cataract surgery

23.17 ± 0.43

23.22 ± 0.45

Statistical analysis

Mean of all groups

24.28 ± 1.25

24.29 ± 1.26

95CI% of the mean of the difference

-0.01 ± 0.06(-0.02, 0.01)

Cutoff value VS. 95%CI

Difference VS. -0.15

Difference VS. 0.15

T test

18.84

-21.34

P value

< 0.001

< 0.001