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Circadian rhythm of aqueous dynamics in normal human eyes Michiya Takamatsu 1 , Hiromu Mishima 1 , Tsukasa Hanemoto 1 , Yoshiaki Kiuchi 1 1Department of Ophthalmology Hiroshima University School of Medicine pp.139-142
Published Date 1996/2/15
DOI https://doi.org/10.11477/mf.1410904727
  • Abstract
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We studied the circadian changes of aqueous dynamics in 16 eyes of 16 male adult volunteers. We calculated the aqueous flow, trabecular outflow and uveoscleral outflow from data obtained by fluoro-photometry and oral acetazolamide after Yablonski. Each eye was studied twice, at 8 a. m. and 8 p. m. the same day. The aqueous flow averaged 2.18±0.6μl/min (standard deviation) in the morning and 1.72±0.65 μl/min in the evening. Trabecular outflow rate averaged 0.21±0.31μl/min/mmHg in the morning and 0.11±0.41μl/min/mmHg in the evening. Uveoscleral outflow averaged 0.45±2.00μl/min in the morning and 1.21± 1.12μl/min in the evening. Aqueous flow was significantly lower in the evening than in the morning. There were no siginificant differences in trabecular and uveoscleral outflows between morning and evening measurements.


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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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