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Focusing of Light in the Eye01:16

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Clinical outcomes with a new diffractive multifocal intraocular lens optimized by the dynamic light utilization

Jorge L Alió1,2, Elinor Megiddo Barnir3,4,5, Ronald Steven S Medalle3,6,7

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Summary
This summary is machine-generated.

The Intensity Hanita diffractive intraocular lens (IOL) provides good vision at all distances. Patients reported mild, well-tolerated visual symptoms and high satisfaction with near vision tasks.

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Area of Science:

  • Ophthalmology
  • Optics
  • Biomedical Engineering

Background:

  • Cataract surgery requires intraocular lens (IOL) implantation to restore vision.
  • New IOL designs aim to improve visual quality and range of vision.
  • The Intensity Hanita is a novel diffractive IOL.

Purpose of the Study:

  • To evaluate refractive outcomes, optical performance, and vision quality after Intensity Hanita IOL implantation.
  • Assess visual acuities at distance, intermediate, and near.
  • Analyze contrast sensitivity, ocular aberrations, and patient-reported outcomes.

Main Methods:

  • Observational, prospective, longitudinal study of 64 eyes.
  • Bilateral cataract surgery with Intensity IOL implantation.
  • Comprehensive visual assessments including VAs, defocus curve, HOA, CS, and questionnaires at 6 months.

Main Results:

  • 66% of eyes achieved uncorrected distance visual acuity (UDVA) of 0.10 logMAR or better.
  • Defocus curve demonstrated consistent vision across distance, intermediate, and near ranges.
  • No significant changes in contrast sensitivity; mild, well-tolerated subjective symptoms like halos and glare were reported.

Conclusions:

  • The Intensity Hanita diffractive IOL effectively restores vision at all distances.
  • The IOL's five-foci distribution principle enhances depth of focus and visual range.
  • High patient satisfaction was observed for daily near-vision tasks.