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Table 2 Patient characteristics

From: Comparative clinical accuracy analysis of the newly developed ZZ IOL and four existing IOL formulas for post-corneal refractive surgery eyes

Variable

N

Mean ± SD/%

Range

 

Age (years)

26

56.7 ± 8.0

41 − 72

Sex (male)

8

30.8 %

-

Eye used

 Right

19

50.0 %

-

 Left

19

50.0 %

-

Kf

38

35.27 ± 3.21

28.37 − 40.85

Kb

38

-6.08 ± 1.03

-8.10−-3.49

Central corneal thickness (mm)

38

472.37 ± 36.00

417 − 590

Axial length (mm)

38

27.61 ± 2.28

24.85 − 32.26

Anterior chamber depth (mm)

38

3.12 ± 0.36

2.17 − 3.90

Lens thickness (mm)

38

4.49 ± 0.42

3.98 − 5.49

White to white (mm)

38

11.80 ± 0.41

11.00 − 12.60

Corneal refractive surgery

 LASIK

33

86.8 %

-

 RK

3

7.9 %

-

 RK + LASIK

2

5.3 %

-

Type of IOL

 AT LISA tri 839MP

21

55.3 %

-

 AT LISA 809MP

8

21.1 %

-

 CT ASPHINA 509MP

9

23.7 %

-

 IOL power (D)

38

19.74 ± 3.99

12.50 − 28.00

  1. Kf the anterior corneal tangential curvature, Kb posterior corneal tangential curvature, LASIK laser-assisted in situ keratomileusis, RK radial keratotomy, IOL intraocular lens, D diopters