The defect of visual field was detected in all patients, including completely homonymoushemianopsia (12 cases, 67%) and partly homonymoushemianopsia (5 cases, 28%).
所有患者均有视野改变，包括完全性同向偏盲12例（67%）和部分性同向偏盲5例（28%）。
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Results Total 11 cases (22 eyes), there were homonymoushemianopsia (9 cases), symmetry defect over central line (2 cases), macular sparing (16 eyes) and macular split (6 eyes).