{"batchcode": "EY5654", "histograms": [{"batchcodes": ["EY5654"], "histogram": {"Blindness": 1, "Blood test": 1, "Computerised tomogram": 1, "Diplopia": 1, "Magnetic resonance imaging": 1, "Migraine": 1, "Migraine with aura": 1, "Retinal migraine": 1, "SARS-CoV-2 test": 1, "Syncope": 1, "Thunderclap headache": 1, "Vision blurred": 1}}]}