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Possible connection of short posterior ciliary arteries to choroidal neovascularisations in eyes with pathologic myopia
  1. Tomoka Ishida,
  2. Takashi Watanabe,
  3. Tae Yokoi,
  4. Kosei Shinohara,
  5. Kyoko Ohno-Matsui
  1. Department of Ophthalmology and Visual Science, Tokyo Medical and Dental University, Tokyo, Japan
  1. Correspondence to Dr Kyoko Ohno-Matsui, Department of Ophthalmology and Visual Science, Tokyo Medical and Dental University, Tokyo 1138510, Japan; k.ohno.oph{at}


Purpose To determine the connection between myopic choroidal neovascularisations (CNVs) and intrascleral vessels examined by swept-source optical coherence tomography (OCT).

Methods The data of 124 eyes of 112 consecutive patients with myopic CNVs were retrospectively analysed. A myopic CNV was defined as a CNV occurring in eyes with pathologic myopia based on the META-PM study classification. The images obtained by swept-source OCT were analysed to determine the relationship between perforating scleral vessels and CNVs. The continuity of the scleral vessels and the CNV was also analysed. The OCT angiographic (OCTA) characteristics of the myopic CNVs at the active, scar and atrophic phases were also analysed.

Results OCTA images showed that CNVs had blood flow in the active, scar and atrophic phases. Scleral perforating vessels were detected just below or around the CNV in 93 eyes (75%). In 10 of the 93 eyes, the scleral vessels and CNV appeared to be continuous through a defect of Bruch’s membrane in the OCT images. Indocyanine green angiography showed that these perforating vessels were intrascleral arteries originating from the short posterior ciliary arteries (SPCAs).

Conclusions Swept-source OCT showed that some of the myopic CNVs were continuous with scleral vessels mainly the SPCA. Further studies to confirm angiographical continuity between these two components are necessary.

  • retina
  • imaging
  • macula
  • neovascularisation

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  • Correction notice This article has been updated since it was published online first. An additional sentence and reference has been added to the Introduction section.

  • Contributors TI and TW collected the data and analysed the data. TI and KO-M wrote the article and searched references. TY, KS and KO-M conducted a critical revision. KO-M finally approved the paper.

  • Funding KO-M: Supported by grants from the Japanese Society for Promotion of Science (number 15H04993, 15K15629).

  • Competing interests None declared.

  • Patient consent Obtained.

  • Ethics approval The Ethical Committee of Tokyo Medical and Dental University (number M2017-193).

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Data sharing statement The data include confidential information and thus have not been shared.

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