Fundus cinephotography during gravitational stress.
D000818:Animals; D001794:Blood Pressure; D003116:Color; D005471:Fluoroscopy; D005654:Fundus Oculi; D006112:Gravitation; D000882:Haplorhini; D006801:Humans; D009884:Ophthalmodynamometry; D019721:Ophthalmoscopes; D010781:Photography; D012039:Regional Blood Flow; D012171:Retinal Vessels / Q000503:physiopathology; D013312:Stress, Physiological; D013575:Syncope; D013997:Time Factors