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Japanese

Near-infrared hyperspectral imaging system for detection of polypoidal choroidal vasculopathy Daisuke Muramatsu 1 , Yasuyuki Yamauchi 1 , Tsuyoshi Agawa 1 , Maki Mishima 1 , Setsuko Kawakami 1 , Hiroshi Goto 1 , Yu Amano 2 , Katsuhiro Nakano 2 , Shunsuke Tanaka 2 , Atsushi Nakamura 2 , Takayuki Sota 2 1Dept of Ophthalmol,Tokyo Med Univ 2Dept of Elect Engin and Bios,Waseda Univ pp.443-448
Published Date 2012/4/15
DOI https://doi.org/10.11477/mf.1410104151
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Abstract. Purpose:To describe and report a non-invasive imaging system for the detection of polypoidal choroidal vasculopathy(PCV). Objects and Method:This study was made on 11 eyes of 11 cases of PCV. The series comprised 8 males and 3 females. The age averaged 71 years. A fundus camera was modified and installed with a near-infrared hyperspectral imager. A false color image was constructed based on reflection spectra and relative reflection spectra. The finding was compared with indocyanine green(ICG)angiogram. Results:Area of PCV showed lower spectral reflection. Relative reflection also decreased when longer wavelength was used. The obtained images matched with the areas of PCV of ICG angiogram. Conclusion:Our near-infrared hyperspectral imaging system promises to be of value in the detection of PCV.


Copyright © 2012, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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