Figure 4From: Ophthalmodynamometry for ICP prediction and pilot test on Mt. Everest AMS symptom score vs. estimated ICP. 22 volunteers had AMS symptoms ranging from 1 (e.g. mild headache) to 9 (e.g. incapacitating headache with nausea, dizziness and sleep disturbance). AMS plotted against ICP shows a relative lack of correlation (r = 0.05).Back to article page