Table 1 The IOLs used in the included patients
AT LISA tri 839MP | AT LISA 809MP | CT ASPHINA 509MP | |
|---|---|---|---|
Clinical | Tri-focal IOL | Bi-focal IOL | Mono-focal IOL |
Optical | + 3.33 D for near focus and + 1.66 D for intermediate focus | + 3.75 D for near focus | No additional diopter |
Advantages | Can assist in near and intermediate visual acuity | Can assist in near visual acuity | High contrast sensitivity; suitable for patients with corneal irregularity |
Disadvantages | Not suitable for patients with corneal irregularity | Visual acuity might be slightly affected by corneal irregularity | No assistance in near or intermediate visual acuity |
Manufacturer | Carl Zeiss (Jena, Germany) | Carl Zeiss (Jena, Germany) | Carl Zeiss (Jena, Germany) |