June 2017
Volume 58, Issue 8
Open Access
ARVO Annual Meeting Abstract  |   June 2017
Characterization of starburst and halo size for different virtually implanted intraocular lenses in comparison to subject’s quality of vision
Author Affiliations & Notes
  • Rudolf F Guthoff
    Department of Ophthalmology, University Medicine Rostock, Rostock, Germany
  • Mario Gerlach
    Carl Zeiss Meditec AG, Berlin, Germany
  • Valentin Fuchs
    Carl Zeiss Meditec AG, Berlin, Germany
  • Karsten Sperlich
    Department of Ophthalmology, University Medicine Rostock, Rostock, Germany
  • Julia Schubert
    Department of Ophthalmology, University Medicine Rostock, Rostock, Germany
  • Sebastian Bohn
    Department of Ophthalmology, University Medicine Rostock, Rostock, Germany
  • Heinrich Stolz
    Institute of Physics, University of Rostock, Rostock, Germany
  • Piotr Marczuk
    Carl Zeiss Meditec AG, Berlin, Germany
  • Oliver Stachs
    Department of Ophthalmology, University Medicine Rostock, Rostock, Germany
  • Footnotes
    Commercial Relationships   Rudolf Guthoff, Carl Zeiss Meditec AG (F); Mario Gerlach, Carl Zeiss Meditec AG (E); Valentin Fuchs, Carl Zeiss Meditec AG (E); Karsten Sperlich, Carl Zeiss Meditec AG (F); Julia Schubert, Carl Zeiss Meditec AG (F); Sebastian Bohn, Carl Zeiss Meditec AG (F); Heinrich Stolz, Carl Zeiss Meditec AG (F); Piotr Marczuk, Carl Zeiss Meditec AG (E); Oliver Stachs, Carl Zeiss Meditec AG (F)
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science June 2017, Vol.58, 338. doi:
  • Views
  • Share
  • Tools
    • Alerts
      ×
      This feature is available to Subscribers Only
      Sign In or Create an Account ×
    • Get Citation

      Rudolf F Guthoff, Mario Gerlach, Valentin Fuchs, Karsten Sperlich, Julia Schubert, Sebastian Bohn, Heinrich Stolz, Piotr Marczuk, Oliver Stachs; Characterization of starburst and halo size for different virtually implanted intraocular lenses in comparison to subject’s quality of vision. Invest. Ophthalmol. Vis. Sci. 2017;58(8):338.

      Download citation file:


      © ARVO (1962-2015); The Authors (2016-present)

      ×
  • Supplements
Abstract

Purpose : Starburst and halo are undesirable vision phenomena usually associated with the use of multifocal and EDoF IOLs, but it is not yet fully understood how they impact subjective quality of vision. The goal of the study was a qualitative and quantitative comparative analysis of different IOLs on their influence on night vision ability and photic phenomena using a virtual implantation method (VirtIOL).

Methods : The study was conducted using a VirtIOL system, allowing the subjects to perceive a visual experience of a test IOL, mimicking the effect of an implanted IOL. A range of a monofocal, multifocal and EDoF IOLs was analyzed, which differ in add power and degree of chromatic correction. The study was divided into two parts: (1) qualitative analysis of vision and (2) quantitative analysis of the perceived angular dimensions of photic phenomena. (1) A display with a night scenery was placed in 6 m distance. Additionally a bright white-light LED was placed in accordance with the image context in front of a bright street light contained in the scenery (fig. 1). 48 subjects had to order the IOLs according to their best visual experience. (2) The subjects had to adjust the diameter of a displayed circle to match the perceived size of halo and starburst (fig. 2). This allows to calculate the angular subtense of the photic phenomena.

Results : For mesopic distance vision the monofocal IOL was preferred over the multifocal and EDoF ones. For this lens starburst and halo size was found to be the smallest. However, we observed differences between the multifocal and EDoF lenses. Surprisingly the multifocal lens with the smallest starburst was found to have worst visual experience.

Conclusions : Using a glare source in front of a suitable night scenery in combination with the VirtIOL and the size determination software, the described method helps to improve the understanding of different night vision phenomena and their relation to individual optical designs. It especially helps to evaluate, which configurations and appearances of photic phenomena are least bothering to the patient.

This is an abstract that was submitted for the 2017 ARVO Annual Meeting, held in Baltimore, MD, May 7-11, 2017.

 

Light scenery on the display including the LED light source. Image was taken with a color CCD camera behind the VirtIOL.

Light scenery on the display including the LED light source. Image was taken with a color CCD camera behind the VirtIOL.

 

Artificial image illustrating starburst (ray pattern, outer dotted line) and halo (ring pattern, inner dotted line)

Artificial image illustrating starburst (ray pattern, outer dotted line) and halo (ring pattern, inner dotted line)

×
×

This PDF is available to Subscribers Only

Sign in or purchase a subscription to access this content. ×

You must be signed into an individual account to use this feature.

×