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Posterior routes of choroidal outflow in high myopia Kyoko Ohno-Matsui 1 , Naoto Morishima 1 , Satoshi Yamashita 1 , Mutsuko Ito 1 , Takashi Tokoro 1 1Dept of Ophthalmol, Sch of Med, Tokyo Medical and Dental Univ pp.1861-1866
Published Date 1995/12/15
DOI https://doi.org/10.11477/mf.1410908032
  • Abstract
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We performed indocyanine green angiography in 224 myopic eyes. The refraction ranged -8.5 to -28 diopters, average -15.3 diopters. Large confluent choroidal veins were present in the posterior fundus in 57 eyes, 25.4%. In 34 of these eyes, the veins were choriovaginal as they penetrated the sclea along the edge of the optic disc. In the other 25 eyes, they were located near the macula. These veins seemed to function as main routes of posterior choroidal outflow. Possibly, these posterior large choroidal veins induce weakness of the sclera around the sites of penetration and facilitate posterior staphyloma resulting in high myopia.


Copyright © 1995, 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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