The Cause of Cataracts P.10









Author Contributions


Competing interests





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Author Contributions: Naomi Okuyama designed and started to write the paper in Japanese at August 19, 2017. N. Okuyama had written this paper in Japanese in September 2017. N. Okuyama searched his bookshelf and the net for literature. Hajime Nunokawa, Superintendent of Education of Ohishida Town Office, Japan, advised N. Okuyama about Young's modulus of elasticity. N. Okuyama had translated the paper from Japanese into English. Aaron Kempf belonging to Office Nine, Yamagata-city Japan, proofread the paper about English grammar in January 2018.

Competing interests: The author declares no competing financial interests.

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The Cause of Cataracts P.10