Target specific focal points to optimize refractive outcomes of cataract surgery

When we perform cataract surgery, we can optimize refractive outcomes by targeting specific focal points. This allows our patients the benefit of reduced dependence on glasses as well as removal of the cataract. Where we target our patients’ postoperative refractions depends largely on their daily activities, with a distinction being made between distance vision vs. near and intermediate vision.In the young normal eye, the range of vision without glasses is fantastic due to the high degree of accommodation, which can be more than 10 D. This range decreases with age and the onset of presbyopia until spectacles become required for near vision. The typical IOLs that are used with cataract surgery are monofocal with no ability to accommodate or change focus. While some accommodating IOLs are commercially available, their range is limited and not comparable to a young crystalline lens.