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Atomic Bomb Radiation Cataract in Nagasaki


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タイトル: Atomic Bomb Radiation Cataract in Nagasaki
著者: Tokunaga, Tugihiko
著者(別表記) : 徳永, 次彦
発行日: 1960年 4月25日
引用: Acta medica Nagasakiensia. 1960, 5(1), p.24-42
抄録: From July, 1953 to December, 1956, an ophthalmological survey was done on 1600 cases exposed to the atomic bomb within 100 to 8000 meters from the hypocenter of the explosion in Nagasaki. At the time of examination, they were from 7 to 69 years old. The survey of radiation cataract disclosed the following: I. The radiation cataract statistically was limited to persons within 1800 meters from the hypocenter. Posterior polar opacities were found in 431 out of 752 cases (57.31%) chosen from the survivors of such exposure and who were younger than 49 years of age at the time of examination. II. The lenticular opacities were punctate opacities in the disjunction zones, vacuoles in the cortex, subcapsular plaque-like opacities at the posterior pole, and tuff-like opacities in the cortex of the posterior pole. They occurred singly or in combination, and the least severe cases had only the plaque-like opacities. III. Frequency and severity of the atomic bomb radiation cataract were related to radiation dose, which depended on distance from the hypocenter and individual shielding. They were also proportional to general symptoms and especially to epilation of the scalp hair. Effect of age and sex were not apparent. IV. The visual acuity was hardly disturbed by the atomic-bomb radiation cataract, and the cataract did not progress, except in severe cases. Even in cases of mature cataract, good vision could be restored by surgery. Therefore, it may be said that the general prognosis of the atomic bomb radiation cataract is good.
URI: http://hdl.handle.net/10069/15427
ISSN: 00016055
資料タイプ: Departmental Bulletin Paper
原稿種類: publisher
出現コレクション:Volume 5, No. 1

引用URI : http://hdl.handle.net/10069/15427

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