Kampo is the name for Japanese traditional medicine.
Oketsu is disease of the blood and circulation. Scientific research has been done into some of the herbal medicines of Kampo.
Research papers include:
The Traditional Kampo Medicine Tokishakuyakusan Increases Ocular Blood Flow in Healthy Subjects
Effect of Kampo Medicines on the Peripheral Blood Flow Rate of Betamethason-Induced Oketsu Syndrome Mice by Laser Doppler Flow Meter
Traditional Japanese herbal (kampo) medicines and treatment of ocular diseases: a review
Effect of Keishibukuryogan, a Japanese Traditional Kampo Prescription, on Improvement of Microcirculation and Oketsu and Induction of Endothelial Nitric Oxide: A Live Imaging Study
Acupuncture and Ryodoraku have relevance to microcirculation stimulation but you will have to look for a professional for more info.
Research papers on TCM include:
Traditional chinese medicine for diabetic retinopathy: A systematic review and meta-analysis
Microcirculation and Traditional Chinese Medicine
Acupoint Activation: Response in Microcirculation and the Role of Mast Cells
Microcirculatory Responses to Acupuncture Stimulation and Phototherapy
TCM treatment of retinal vein occlusion in 216 cases
Blood Flow Effect of Acupuncture on the Human Meridian
June 11th, 2021 | 
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