May 2005
Volume 46, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2005
Aberration Correction Surgical Microscope System in Improving the Quality of Peripheral Fundus Images Seen During Vitreous Surgery Through Prism–Type Contact Lenses
T. Noda; K. Akiyama; Y. Haruhata; Y. Fukuma; N. Kitajima; Y. Okazaki; H. Aeba; K. Nishio; K. Ohnuma; R. Mochizuki
Author Affiliations & Notes
  • T. Noda
    Disability and Rehabilitation Research, National Institute of Sensory Organs (NISO), Tokyo, Japan
  • K. Akiyama
    Disability and Rehabilitation Research, National Institute of Sensory Organs (NISO), Tokyo, Japan
  • Y. Haruhata
    Disability and Rehabilitation Research, National Institute of Sensory Organs (NISO), Tokyo, Japan
  • Y. Fukuma
    Topcon Corporation, Tokyo, Japan
  • N. Kitajima
    Topcon Corporation, Tokyo, Japan
  • Y. Okazaki
    Topcon Corporation, Tokyo, Japan
  • H. Aeba
    Topcon Corporation, Tokyo, Japan
  • K. Nishio
    Topcon Corporation, Tokyo, Japan
  • K. Ohnuma
    Faculty of Engineering, Chiba University, Chiba, Japan
  • R. Mochizuki
    Disability and Rehabilitation Research, NHK Engineering Services Inc., Tokyo, Japan
  • Footnotes
    Commercial Relationships  T. Noda, Topcon Corporation P; K. Akiyama, None; Y. Haruhata, None; Y. Fukuma, Topcon Corporation P; N. Kitajima, Topcon Corporation P; Y. Okazaki, Topcon Corporation P; H. Aeba, Topcon Corporation P; K. Nishio, Topcon Corporation P; K. Ohnuma, Topcon Corporation C; R. Mochizuki, NHK Engineering Services Inc. P.
  • Footnotes
    Support  None.
Investigative Ophthalmology & Visual Science May 2005, Vol.46, 5467. doi:
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      T. Noda, K. Akiyama, Y. Haruhata, Y. Fukuma, N. Kitajima, Y. Okazaki, H. Aeba, K. Nishio, K. Ohnuma, R. Mochizuki; Aberration Correction Surgical Microscope System in Improving the Quality of Peripheral Fundus Images Seen During Vitreous Surgery Through Prism–Type Contact Lenses . Invest. Ophthalmol. Vis. Sci. 2005;46(13):5467.

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Abstract

Abstract: : Purpose:To evaluate the quality of the peripheral fundus images observed through prism–type vitrectomy contact lenses using a surgical microscope equipped with a variable cross–cylinder and variable direct vision prism (VCC/VDVP) system. Methods: Resolution test charts were placed on the peripheral fundus of porcine eyes after lens aspiration, intraocular lens implantation, and simple vitrectomy and were observed through prism–type contact lenses (30°– and 45°–prism vitrectomy lenses) with a surgical microscope (OMS–610, Topcon) equipped with a computer–regulated VCC/VDVP system. Aberrations were corrected with cylindrical lenses for astigmatism and variable prisms for chromatic aberrations in the surgical microscopy system., and observed fundus images were recorded in HDTV. Results: Aberrations that substantially degraded the quality of the peripheral fundus images were corrected by the VCC/VDVP system, and the resolution of the peripheral fundus observation during vitrectomy was markedly improved. Conclusions: The quality of the fundus images during vitreous surgery through prism–type vitrectomy contact lenses is improved substantially by the VCC/VDVP system.

Keywords: vitreoretinal surgery • optical properties • imaging/image analysis: clinical 
© 2005, The Association for Research in Vision and Ophthalmology, Inc., all rights reserved. Permission to republish any abstract or part of an abstract in any form must be obtained in writing from the ARVO Office prior to publication.
Copyright © 2025 Association for Research in Vision and Ophthalmology.
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