Our collaborator Yasushi Ikuno (Osaka University Hospital) investigated the choroidal thickness of healthy Japanese. The chorid is one of the tissues in the eye ant it locates beneath the retina, and which had not been possible to be clearly visualized by OCT. He investigated the choroid by using a brand new high-penetration OCT made by our group (COG, Tsukuba). After the examination of 86 eyes, he found that the choroidal thickness varies around its position, and is associated the refractive error of the eye, axial eye length, and the age of the subject. The details are reported in Investigative Ophthalmology and Visual Science (IOVS, a journal of association for research in vision and ophthalmology).
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Citation: Y. Ikuno, K. Kawaguchi, T. Nouchi, and Y. Yasuno, "Choroidal thickness in healthy Japanese Subjects," Invest. Ophthalmol. Vis. Sci., e-first publication.