Skip to main content

Table 4 Refractive and keratometric changes over time

From: Clinical outcomes of a new diffractive trifocal intraocular lens with Enhanced Depth of Focus (EDOF)

Parameters

Preoperative

1 M

3 M

6 M

P value*

Sphere, D

 Mean ± SD

0.40 ± 2.50

−0.10 ± 0.45

−0.00 ± 0.20

−0.02 ± 0.28

0.001

 Range

−6.00, 3.50

−0.75, 0.75

−0.0, 0.50

−0.75, 0.50

 

Cylinder, D

 Mean ± SD

−0.45 ± 0.36

0.35 ± 0.23

0.28 ± 0.13

0.28 ± 0.12

0.02

 Range

−0.75, 0.00

−0.75, 0.0

0.50, 0.50

0.50, 0.00

 

MRSE, D

 Mean ± SD

0.70 ± 2.28

0.24 ± 0.42

0.16 ± 0.35

0.12 ± 0.31

0.001

 Range

−5.50, 3.25

−0.75, 0.75

−0.75, 0.50

−0.75, 0.75

 

K2, D

 Mean ± SD

43.54 ± 1.52

43.46 ± 1.01

43.52 ± 1.12

43.48 ± 1.35

0.618

 Range

40.43, 45.25

40.25, 45.48

40.21, 44.52

40.66, 45.51

 

K1, D

 Mean ± SD

42.92 ± 1.28

42.86 ± 1.12

42.90 ± 1.34

42.88 ± 1.26

0,868

 Range

39.75, 47.50

39.75, 45.00

39.75, 45.00

39.75, 45.00

 

K2-K1, D

 Mean ± SD

0.62 ± 0.28

0.60 ± 0.25

0.62 ± 0.38

0.60 ± 0.38

0.612

 Range

−0.18, 0.14

−0.15, 1.22

−0.09, 1.15

−0.05, 1.24

 
  1. MRSE manifest refraction spherical equivalent, D diopter, K1 flat keratometry reading, K2 steep keratometry reading, M month, K2-K1 corneal cylinder, SD standard deviation
  2. *6 month vs. preoperative measurement