徳島大学 教育・研究者情報データベース(EDB)

1. (英) Nishi Tomo

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2. (英) Ueda Tetsuo

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3. (英) Mizusawa Yuutaro

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4. 仙波 賢太郎([徳島大学.病院.中央診療施設等.周産母子センター])

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5. 四宮 加容([徳島大学.大学院医歯薬学研究部.医学域.医科学部門.外科系.眼科学])

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6. 三田村 佳典([徳島大学.大学院医歯薬学研究部.医学域.医科学部門.外科系.眼科学])

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7. (英) Sonoda Shozo

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8. (英) Uchino Eisuke

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9. (英) Sakamoto Taiji

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10. (英) Ogata Nahoko

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(英) Effect of optical correction on choroidal structure in children with anisohypermetropic amblyopia.

(英) The aim of this study was to assess the effect of wearing optical correction on the choroidal structure in eyes of children with anisohypermetropic amblyopia. This study was conducted at the Nara Medical University Hospital and at the Tokushima University Hospital. Twenty-nine anisohypermetropic amblyopic eyes and their fellow eyes of 29 amblyopic patients (mean age, 5.7 ± 1.7 years, range 3- to 8-years) and twenty eyes of 20 age-similar control children (4.9 ± 0.8 years, range 4- to 6-years) were studied. All patients wore optical correction and 15 patients had both optical correction and patching. The values at the baseline were compared to that at one year later. The binarization method was used to determine the total, luminal, and stromal areas of the choroid in the enhanced depth imaging optical coherence tomographic images. The best-corrected visual acuity (BCVA) of the amblyopic eyes was significantly improved after the one-year period. A large luminal area was characteristic of the amblyopic eye at the baseline, and it was significantly reduced after the optical treatment. The stromal area widened significantly in the amblyopic and fellow eyes after one year whereas there were no significant changes in the choroid of the control eyes after one year. After one-year of optical correction, the luminal/stromal ratios in the amblyopic and fellow eyes were decreased and were then not significantly different from that of the normal control eyes. There was a significant and positive correlation between the improvement of the BCVA and the stromal area at the baseline (r = 0.64, P = 0.001). Wearing corrective lenses on the amblyopic eyes improves the BCVA, and the choroidal structure of the amblyopic eye becomes closer to that of the control eyes. The narrowed luminal area is a specific response of the amblyopic eye associated with the correction of the refractive error. The larger stromal area in the amblyopic eyes at the baseline is a predictive factor for improvements of the BCVA.

1. (英) Amblyopia
2. (英) Anisometropia
3. (英) Child
4. (英) Child, Preschool
5. (英) Choroid
6. (英) Female
7. (英) Humans
8. (英) Male
9. (英) Tomography, Optical Coherence

1. (英) PublicationType: Journal Article