经扫频源光学相干断层扫描发现的两例小眼球症同胞的脉络膜厚度：病例报告
Choroidal thickness findings in two siblings with nanophthalmos by swept source-OCT: a case report.
作者信息
Kaneko Hiroyuki, Shinojima Ari, Ryusaburo Mori, Kawamura Akiyuki, Yuzawa Mitsuko
机构信息
Division of Ophthalmology, Department of Visual Science, Nihon University School of Medicine, Nihon University Hospital, 1-6 Surugadai, Kanda, Chiyoda-ku, Tokyo, 101-8309, Japan.
出版信息
BMC Res Notes. 2017 Jan 3;10(1):16. doi: 10.1186/s13104-016-2359-x.
BACKGROUND
We investigated choroidal thicknesses at five sites in two siblings (four eyes) with nanophthalmos using swept-source optical coherence tomography.
CASE PRESENTATION
Case 1, a 51-year-old Japanese female with high hyperopia (Right: +20.5 Dioptors, Left: +19.5 Dioptors), had axial lengths of 15.6 mm in both eyes. Case 2, a 55-year-old Japanese male with high hyperopia (Right: +22.5 Dioptors, Left: +22.8 Dioptors), had axial lengths of 14.8 and 14.7 mm in the right and left eyes, respectively. Choroidal thickness was measured at five sites in each eye using swept-source optical coherence tomography; subfoveal, nasal, temporal, superior and inferior (the 4 non-subfoveal sites were measured 3000 µm from the fovea).
CONCLUSION
The mean choroidal thickness was 355.8 ± 63.6 μm at the subfoveal, 466.3 ± 85.1 μm at the nasal, 274.8 ± 77.2 μm at the temporal, 396.8 ± 54.6 μm at the superior, and 480.8 ± 66.8 μm at the inferior (mean ± standard deviation) site. Choroidal thickness was maximal at the inferior site. The choroid was thinnest, in diminishing order, at the nasal, superior, subfoveal and temporal sites.
背景
我们使用扫频光学相干断层扫描技术研究了两名患有小眼球症的同胞（四只眼）五个部位的脉络膜厚度。
病例报告
病例1，一名51岁的日本女性，患有高度远视（右眼：+20.5屈光度，左眼：+19.5屈光度），双眼眼轴长度均为15.6毫米。病例2，一名55岁的日本男性，患有高度远视（右眼：+22.5屈光度，左眼：+22.8屈光度），右眼和左眼的眼轴长度分别为14.8毫米和14.7毫米。使用扫频光学相干断层扫描技术测量每只眼睛五个部位的脉络膜厚度；黄斑中心凹下、鼻侧、颞侧、上方和下方（4个非黄斑中心凹下部位在距黄斑中心凹3000微米处测量）。
结论
黄斑中心凹下部位的平均脉络膜厚度为355.8±63.6微米，鼻侧为466.3±85.1微米，颞侧为274.8±77.2微米，上方为396.8±54.6微米，下方为480.8±66.8微米（平均值±标准差）。脉络膜厚度在下方部位最大。脉络膜最薄的部位依次为鼻侧、上方、黄斑中心凹下和颞侧。
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