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Related Experiment Videos

[The Array multifocal lens--functional principle and clinical results]

D Eisenmann1, K W Jacobi

  • 1Universitäts-Augenklinik Giessen.

Klinische Monatsblatter Fur Augenheilkunde
|September 1, 1993
PubMed
Summary
This summary is machine-generated.

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The Array multifocal intraocular lens (IOL) offers comparable functional results to diffractive bifocal IOLs, with improved intermediate vision and fewer optical side effects like halos. This makes it a promising option for cataract surgery patients seeking better visual quality.

Area of Science:

  • Ophthalmology
  • Biomedical Engineering
  • Optics

Context:

  • Common refractive bifocal intraocular lenses (IOLs) utilize multiple spherical zones.
  • The Array multifocal IOL employs an aspherical surface with 5 concentric zones for a progressive near addition and multiple foci.

Purpose:

  • To compare the visual performance and optical quality of the Array multifocal IOL with monofocal and diffractive bifocal IOLs.
  • To evaluate distance and near visual acuity, contrast sensitivity, glare, and depth of field 12 months post-implantation.

Summary:

  • No significant differences in best-corrected distance and near visual acuity or high-contrast sensitivity were observed between the Array IOL, diffractive IOL, and monofocal IOL.
  • The monofocal IOL demonstrated superior glare control and low-contrast sensitivity compared to both multifocal IOLs.

Related Experiment Videos

  • Both multifocal IOLs provided Nieden 2-1 near acuity with distance correction, but the Array IOL showed an advantage in intermediate imaging and fewer optical symptoms like halos compared to the diffractive IOL.

    • Impact:

    • The Array multifocal IOL presents functional results comparable to diffractive bifocal IOLs.
    • It offers improved intermediate visual function.
    • It significantly reduces optical side effects such as halos, enhancing patient satisfaction.