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Table 2 Preoperative and postoperative magnitude of corneal astigmatism reported in opposite clear corneal incision (OCCI) studies

From: Managing low corneal astigmatism in patients with presbyopia correcting intraocular lenses: a narrative review

Author

Year

Study Type

Eyes

Follow-up (m)

Size(mm)

Location

Preop Type

Metric

Device

Pre

Post

Diff

Chen[65]

2020

CS

138

1

2,8

Steepest

All

K

Pentacam

1,31

0,69

-0,6

Ren[66]

2019

RCT

28

3

3

Steepest

All

K

Pentacam

1,09

0,52

-0,6

Ren[66]

2019

RCT

40

3

2

Steepest

All

K

Pentacam

0,99

0,69

-0,3

Nemeth[67]

2014

CS

81

2

3

Steepest

All

K

IOL Master

1,06

0,86

-0,2

  1. CS: Case Series; RCT: Randomized clinical trial; K: Keratometry; NA: Not available; Diff: Difference between posteroperative (Post) and preoperative (Pre) magnitude of corneal astigmatism