July 2019
Volume 60, Issue 9
Open Access
ARVO Annual Meeting Abstract  |   July 2019
Comparison of imaging area between CLARUS® and Optos®
RIKO OKAMOTO; Osamu Sawada; Yusuke Ichiyama; Shumpei Obata; Masashi Kakinoki; Tomoko Sawada; Yoshitsugu Saishin; Masahito Ohji
Author Affiliations & Notes
  • RIKO OKAMOTO
    Shiga University of Medical Science, Otsu, Shiga, Japan
  • Osamu Sawada
    Shiga University of Medical Science, Otsu, Shiga, Japan
  • Yusuke Ichiyama
    Shiga University of Medical Science, Otsu, Shiga, Japan
  • Shumpei Obata
    Shiga University of Medical Science, Otsu, Shiga, Japan
  • Masashi Kakinoki
    Shiga University of Medical Science, Otsu, Shiga, Japan
  • Tomoko Sawada
    Shiga University of Medical Science, Otsu, Shiga, Japan
  • Yoshitsugu Saishin
    Shiga University of Medical Science, Otsu, Shiga, Japan
  • Masahito Ohji
    Shiga University of Medical Science, Otsu, Shiga, Japan
  • Footnotes
    Commercial Relationships   RIKO OKAMOTO, None; Osamu Sawada, bayer (R), kowa (R), novartis (F), novartis (R), santen (R), senju (R); Yusuke Ichiyama, otsuka (R), topcon (R), zeiss (R); Shumpei Obata, None; Masashi Kakinoki, alcon (F), alconpharma (R), novartis (F); Tomoko Sawada, allergan (R), bayer (R), novartis (R), santen (R); Yoshitsugu Saishin, abbvie (R), alconjapan (F), bayer (R), eisai (R), novartis (F), novartis (R), santen (R); Masahito Ohji, alconjapan (F), alconjapan (R), allergan (C), bayer (R), bayer (C), chuosangyo (R), HOYA (F), HOYA (C), kowa (R), novartis (F), novartis (R), novartis (C), otsuka (F), otsuka (R), pfizer (F), pfizer (R), RE (R), santen (F), santen (R), santen (C), senju (F), senju (R), topcon (R), zeiss (R)
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science July 2019, Vol.60, 1588. doi:
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      RIKO OKAMOTO, Osamu Sawada, Yusuke Ichiyama, Shumpei Obata, Masashi Kakinoki, Tomoko Sawada, Yoshitsugu Saishin, Masahito Ohji; Comparison of imaging area between CLARUS® and Optos®. Invest. Ophthalmol. Vis. Sci. 2019;60(9):1588.

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Abstract

Purpose : To compare the imaging area between the ultra-wide field scanning laser ophthalmoscope, Optos® 200Tx (Optos) and the new ultra-wide field scanning laser ophthalmoscope, CLARUS® 500 (CLARUS).

Methods : Twenty-three eyes of 20 cases underwent ultra-wide field retinal image using Optos and CLARUS. Single image was obtained by Optos. Single, two, or four direction images were obtained by CLARUS. The single image, montage image of two direction images, or montage image of four direction images by the CLARUS were superimposed on the single image of Optos in each eye and measured the area of CLARUS and Optos respectively. The area ratio (single, montage of two images, or montage of four images by CLARUS/single by Optos) were calculated.

Results : The mean area ratio (single CLARUS/single Optos) was 0.61 (n=22). The mean area ratio (montage of the two images by CLARUS/single Optos) was 0.83 (n=7), and the mean area ratio (montage of the four images by CLARUS/single Optos) was 1.08 (n=7).

Conclusions : CLARUS can obtain the almost same size of images as Optos by making montage of four direction images.

This abstract was presented at the 2019 ARVO Annual Meeting, held in Vancouver, Canada, April 28 - May 2, 2019.

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
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Copyright © 2024 Association for Research in Vision and Ophthalmology.
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