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Correlation between cross-sectional shape of choroidal veins and choroidal thickness

  • Clinical Investigation
  • Published:
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Abstract

Purpose

To determine whether a significant correlation exists between the ratio of the vertical and horizontal diameters of the choroidal veins and the choroidal thickness in normal eyes.

Methods

Six clinic-based normal eyes were studied. The macula and retina around the optic disc were examined by spectral-domain optical coherence tomography (OCT) during indocyanine green angiography (IA), and choroidal thickness maps were constructed. The vertical and horizontal diameters of the choroidal veins in the OCT images and horizontal diameters in the IA images in the venous phase were measured at 12 locations of different choroidal thickness. The horizontal diameter of the choroidal veins measured in the OCT images and the corresponding IA images were compared, and the correlation between the ratio of the vertical and horizontal diameters of the choroidal veins and the corresponding choroidal thickness was determined.

Results

The horizontal diameters of the choroidal veins measured in IA and OCT images were not significantly different and were significantly correlated (r = 0.73; P < 0.01). The ratio of the vertical and horizontal diameters of the choroidal veins was significantly correlated with the choroidal thickness (r = 0.85; P < 0.001).

Conclusion

The significant correlation between the ratio of the vertical and horizontal diameters of the veins to the choroidal thickness should be considered when the cross-sectional area of the choroidal veins is evaluated.

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Acknowledgments

Grant-in Aid for Scientific Research from the Ministry of Education, Culture, Sports, Science, and Technology of Japan (Dr Ito, C2159225) and Grant-in Aid from the Ministry of Health, Labor, and Welfare of Japan, Tokyo, Japan.

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Authors and Affiliations

  1. Department of Ophthalmology, Nagoya University Graduate School of Medicine, 65 Tsuruma-cho, Showa-ku, Nagoya, 466-8550, Japan

    Hirotaka Tanabe, Yasuki Ito, Yuko Iguchi, Shinsuke Ozawa, Kohei Ishikawa & Hiroko Terasaki

Authors
  1. Hirotaka Tanabe
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  2. Yasuki Ito
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  3. Yuko Iguchi
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  4. Shinsuke Ozawa
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  5. Kohei Ishikawa
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  6. Hiroko Terasaki
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Corresponding author

Correspondence to Yasuki Ito.

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Cite this article

Tanabe, H., Ito, Y., Iguchi, Y. et al. Correlation between cross-sectional shape of choroidal veins and choroidal thickness. Jpn J Ophthalmol 55, 614–619 (2011). https://doi.org/10.1007/s10384-011-0079-2

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  • DOI: https://doi.org/10.1007/s10384-011-0079-2

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