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Related Experiment Video

Updated: Mar 6, 2026

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Visual performance with accommodating and multifocal intraocular lenses.

Jie Lan1, Yu-Sen Huang2, Yun-Hai Dai2

  • 1Qingdao University Medical College, Qingdao 266071, Shandong Province, China; Qingdao Eye Hospital, Shandong Eye Institute, Shandong Academy of Medical Sciences, Qingdao 266071, Shandong Province, China.

International Journal of Ophthalmology
|March 3, 2017
PubMed
Summary
This summary is machine-generated.

Accommodating and multifocal intraocular lenses (IOLs) effectively restore vision. The Tetraflex IOL offers superior contrast sensitivity and fewer halos, while the ZMA00 IOL provides better near vision and reduced aberrations.

Keywords:
accommodatingintraocular lensmultifocalvisual performance

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Area of Science:

  • Ophthalmology
  • Biomedical Engineering
  • Optics

Background:

  • Intraocular lenses (IOLs) are crucial for vision restoration after cataract surgery.
  • Accommodating and multifocal IOLs offer potential for improved visual function compared to standard lenses.

Purpose of the Study:

  • To compare visual functional outcomes between accommodating and multifocal intraocular lenses (IOLs).

Main Methods:

  • A retrospective study compared three IOL types: accommodating (Tetraflex), refractive multifocal (ReZoom), and diffractive multifocal (ZMA00).
  • Evaluated outcomes included visual acuity, contrast sensitivity, intraocular aberrations, and photic phenomena at 3 months post-surgery.

Main Results:

  • No significant differences in distance or uncorrected intermediate visual acuity were found between groups.
  • The ReZoom IOL showed better distance-corrected intermediate visual acuity than ZMA00.
  • The ZMA00 IOL excelled in near visual acuity and reduced optical aberrations, while Tetraflex demonstrated superior contrast sensitivity and fewer halos.

Conclusions:

  • Both accommodating and multifocal IOLs successfully restore distance and intermediate vision.
  • Tetraflex IOLs provide better contrast sensitivity and reduced photic phenomena (halos).
  • ReZoom and ZMA00 IOLs offer distinct advantages in intermediate and near visual acuity, respectively, with ZMA00 also reducing optical aberrations.