• Slide 1
    Fig. 1 Mean defocus curve in bifocal (black line) and trifocal (grey line) groups.
  • Slide 2
    Fig. 2 Mean contrast sensitivity function in bifocal (black line) and trifocal (grey line) groups.
  • Slide 3
    Fig. 3 Postoperative ocular, corneal and internal aberrometric data in bifocal (dark grey bars) and trifocal (clear grey bars) groups.