September 2016
Volume 57, Issue 12
Open Access
ARVO Annual Meeting Abstract  |   September 2016
Comparison of optic nerve head analysis in patients with glaucomatous optic neuropathy between the simultaneous stereoscopic photography retinal camera (Kowa nonmyd WX3D) and the confocal scanning laser ophthalmoscope (HRT III)
Author Affiliations & Notes
  • Siegfried Mariacher
    Knappschaft Eye Clinic Sulzbach, Sulzbach, Germany
  • Stephanie Hipp
    Ophthalmology Clinic Katharinenhospital, Stuttgart, Germany
  • Robert Whirtky
    Centre for Ophthalmology, University Eye Hospital Tuebingen, Tuebingen, Germany
  • Gunnar Blumenstock
    Institute for Clinical Epidemiology and Applied Biometry, University of Tuebingen , Tuebingen, Germany
  • Karl Ulrich Bartz-Schmidt
    Centre for Ophthalmology, University Eye Hospital Tuebingen, Tuebingen, Germany
  • Focke Ziemssen
    Centre for Ophthalmology, University Eye Hospital Tuebingen, Tuebingen, Germany
  • Ulrich Schiefer
    Centre for Ophthalmology, University Eye Hospital Tuebingen, Tuebingen, Germany
    Competence Center Vision Research, University of Applied Sciences Aalen, Aalen, Germany
  • Bogomil Voykov
    Centre for Ophthalmology, University Eye Hospital Tuebingen, Tuebingen, Germany
  • Kai Januschowski
    Knappschaft Eye Clinic Sulzbach, Sulzbach, Germany
    Centre for Ophthalmology, University Eye Hospital Tuebingen, Tuebingen, Germany
  • Footnotes
    Commercial Relationships   Siegfried Mariacher, None; Stephanie Hipp, None; Robert Whirtky, None; Gunnar Blumenstock, None; Karl Ulrich Bartz-Schmidt, None; Focke Ziemssen, None; Ulrich Schiefer, None; Bogomil Voykov, None; Kai Januschowski, None
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science September 2016, Vol.57, 836. doi:
  • Views
  • Share
  • Tools
    • Alerts
      ×
      This feature is available to Subscribers Only
      Sign In or Create an Account ×
    • Get Citation

      Siegfried Mariacher, Stephanie Hipp, Robert Whirtky, Gunnar Blumenstock, Karl Ulrich Bartz-Schmidt, Focke Ziemssen, Ulrich Schiefer, Bogomil Voykov, Kai Januschowski; Comparison of optic nerve head analysis in patients with glaucomatous optic neuropathy between the simultaneous stereoscopic photography retinal camera (Kowa nonmyd WX3D) and the confocal scanning laser ophthalmoscope (HRT III). Invest. Ophthalmol. Vis. Sci. 2016;57(12):836.

      Download citation file:


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

      ×
  • Supplements
Abstract

Purpose : To assess the agreement between optic nerve head (ONH) parameters in patients with primary open angle glaucoma using the confocal laser scanning ophthalmoscope Heidelberg Retina Tomograph (HRT III, Heidelberg engineering GmbH, Heidelberg, Germany) and the non-mydriatic stereoscopic retinal camera Kowa nonmyd WX3D (Kowa Company Ldt, Nagoya, Japan).

Methods : 40 eyes of 40 patients with primary open angle glaucoma were investigated according the agreement of morphometric ONH parameters assessed with both devices, HRT III and Kowa nonmyd WX3D. Vertical cup-to-disc-ratio (CDR), cup volume, rim volume, disc area and maximum cup depth were therefore compared retrospectively. Two groups were formed due to vertical cup-to-disc-ratio (CDR) assessed with HRT III as a type of gold standard. 24 eyes were included in the CDR<0.5 group and 16 eyes were included in the CDR≥0.5 group. Agreement between ONH measurements from both devices was analyzed using Bland-Altman plots and corresponding mean differences and limits of agreement (95% CI).

Results : Comparison of overall vertical CDR between HRT III and Kowa WX3D measurements showed a mean difference (limits of agreement) of -0.0587 (-0.3604 to 0.2429). Mean difference in vertical CDR was -0.1400 (-0.3352 to 0.0553) for the CDR<0.5 group and 0.0631 (-0.2138 to 0.3401) for the CDR≥0.5 group. So Kowa WX3D tended to show slightly lower CDR in comparison to HRT III in the CDR<0.5 group and tended to show slightly higher CDR in CDR≥0.5 group.

Conclusions : Kowa nonmyd WX3D and HRT III showed a good agreement between ONH parameters like vertical CDR with regard to mean bias and limits of agreement in patients with glaucomatous optic neuropathy.

This is an abstract that was submitted for the 2016 ARVO Annual Meeting, held in Seattle, Wash., May 1-5, 2016.

×
×

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.

×