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Table 1 Pre-operative corneal and post-operative refractive astigmatism by Toric Lens Model

From: Prospective study of toric IOL outcomes based on the Lenstar LS 900® dual zone automated keratometer

   

Postoperative Refractive Astigmatism

Lens Model*

Count

Pre operative Avg Corneal Astigmatism

1 Month

3 Months

Avg

Min

SD

Avg

Min

SD

SN6AT3 (1.03)

20

1.45

−0.49

−1.00

0.30

−0.46

−1.00

0.26

SN6AT4 (1.55)

12

1.84

−0.38

−0.75

0.23

−0.42

−0.75

0.27

SN6AT5 (2.06)

62

2.48

−0.29

−0.75

0.29

−0.42

−0.75

0.30

SN6AT6 (2.57)

3

2.85

−0.50

−0.75

0.25

−0.42

−0.75

0.29

SN6AT7 (3.08)

2

3.61

−0.63

−0.75

0.18

−0.50

−0.50

0.00

  1. *Figure in brackets is the normal cylinder correction (D) at the corneal plane for an average eye.