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Table 3 Comparison of IOP measurements with different methods and correction formulations before and after either type of corneal refractive surgeries

From: Comparison of different correction formulas and measurement methods for the accurate determination of intraocular pressure after SMILE and FS-LASIK surgery

Time

No. eyes

NCT- measured IOP

(mmHg)

Corvis ST-corrected (bIOP)

(mmHg)

Pentacam-corrected IOP (mmHg)

Ehlers IOP (IOPe)

Shah

Dresden

Orssengo-Pye

Kohlhaas

(IOPs)

(IOPd)

(IOPo)

(IOPk)

Preoperative

98

15.79 ± 2.28

16.24 ± 1.79

15.78 ± 2.11

16.04 ± 1.99

15.99 ± 1.99

15.75 ± 1.97

16.33 ± 2.14

1 month

98

11.58 ± 2.60

14.98 ± 1.94

18.05 ± 2.78

16.41 ± 2.58

15.43 ± 2.53

15.19 ± 3.25

15.04 ± 2.62

Changes

 

-4.21 ± 2.69

-1.26 ± 1.98

2.27 ± 2.68

0.36 ± 2.60

-0.56 ± 2.60

-0.56 ± 3.16

-1.29 ± 2.58

t value

 

15.52

6.31

-8.38

-1.38

2.13

1.75

4.94

P value

 

 < 0.001

 < 0.001

 < 0.001

0.17

0.035

0.084

 < 0.001