Changes in visual function following peroral astaxanthin

Akira Nakamura, Ryoko Isobe, Yasuhiro Otaka, Yasuko Abematsu, Daisuke Nakata, Chika Honma, Shizuka Sakurai, Yoshiaki Shimada, Masayuki Horiguchi

研究成果: ジャーナルへの寄稿学術論文査読

16 被引用数 (Scopus)


We evaluated the effect of astaxanthin on visual function in 49 eyes of 49 healthy volunteers. They were over 40 years of age. They were divided into 4 groups matched for age and gender. Each group was given peroral astaxanthin once a day. The dosage was 0 mg, 2 mg, 4 mg, or 12 mg for each group. After ingestion of astaxanthin for consecutive 28 days, the uncorrected far visual acuity significantly improved in groups receiving 4 mg or 12 mg. The accommodation time significantly shortened in groups receiving 4 mg or 12 mg. There was no change in refraction, flicker fusion frequency, or pupillary reflex.

ジャーナルJapanese Journal of Clinical Ophthalmology
出版ステータス出版済み - 2004

All Science Journal Classification (ASJC) codes

  • 眼科学


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