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Table 1 Characteristics of the included RCT studies (n = 8)

From: Comparison of postoperative visual performance between bifocal and trifocal intraocular Lens based on randomized controlled trails: a meta-analysis

Study Year Site Designs Bifocal Trifocal Follow up (mouth)
Age (Mean ± SD, year) N IOL types Age (Mean ± SD, year) N IOL types
Gundersen KG 2016 Norway RCT 70.2 ± 7.8 11 ReSTOR SND1T(Toric) 62.1 ± 7.5 11 FineVision Toric 3
Jonker SM 2015 The Netherlands RCT 64.0 ± 8.8 13 ReSTOR+  3.0D (SN6AD1) 62.6 ± 8.8 15 Finevision Micro F 6
Alio JL 2017 New Zealand RCT 63.2 ± 7.7 17/15 AT LISA 809 M/ReSTOR (SN6AD1) 63.2 ± 7.7 17 AT LISA tri 839MP 6
Bilbao-Calabuig R 2016 Spain RCT 56.3 ± 6.9 11 ReSTOR (SN6AD2/SN6AD1) 56.3 ± 6.9 12 FineVision 3
Cochener B 2016 France RCT 60.6 ± 9.1 12 Tecnis ZMB00 58.7 ± 6.4 15 FineVision Micro F 6
Mojzis P 2014 Czech RCT 62.3 ± 5.7 15 AT LISA 801 55.2 ± 7.0 15 AT LISA tri 839MP 3
Mojzis P 2017 Czech RCT NR 18 AT LISA 801 NR 20 AT LISA tri 839MP 12
Gundersen KG 2016 Norway RCT 53 ± 8 30 ReSTOR (SN6AD1/ SN6AD2) 65 ± 9 25 AT LISA tri839MP 24
  1. N The number of people received the cataract surgery
  2. NR Not report