Overview and Key Features of AcrySof® IQ ReSTOR® Multifocal IOLs
Explore the tabs below to learn:
- How this innovative technology works
- Key design differences between the AcrySof® IQ ReSTOR® +2.5 D IOL and the AcrySof® IQ ReSTOR® +3.0 D IOL
- How best to select an AcrySof® IQ ReSTOR® IOL for your patients based on their lifestyle needs and vision goals
Apodized Diffractive Technology Overview & Design Comparisons
Both the AcrySof® IQ ReSTOR® +2.5 D IOL and the AcrySof® IQ ReSTOR® +3.0 D IOL feature an apodized diffractive optical structure. To understand the differences between the lenses, it is important to first understand the principles behind this unique technology.
- Step height controls the distribution of light between the near and distance focal points.
- The higher the step height, the more light is distributed to the near focal point.
- Distance between steps determines the add power of the lens.
- Lower step heights distribute more light energy to the distance focal point.
- As pupil size increases, more light is allocated to distance.
- Apodization is intended to improve distance vision in mesopic conditions, such as night driving.
- Fewer diffractive steps (7) spaced further apart
- An 18% smaller diffractive region (3.4 mm diameter, 8.4 mm2 area)
- A 6% larger peripheral zone that allocates more light to distance as pupil size increases
- A 0.94 mm-diameter central refractive zone dedicated 100% to distance
- Greater negative asphericity (-0.2 μm)
- More diffractive steps (9) spaced closer together
- A larger diffractive region (3.6 mm diameter, 10.2 mm2 area)
- A 0.86 mm-diameter central diffractive zone dedicated 60% to the near focal point (40% to distance)
- Negative asphericity (-0.1 μm)
*Broadest range of vision across all Alcon® IOLs approved in the United States.