患者，女，30岁。于1990年10月无何诱因突然头痛，右眼视物不清。头痛渐重．伴恶心。视物不清，初为重影，后视力基本丧失。发病后半个月，右侧眼球外突。眼球突出几天后右眼睑下垂。以后，上述症状趋于稳定，不再发展。发病后10个月．症状反有所减轻：头痛减轻，视力有一定恢? Patient, female, 30 years old. In October 1990 without any incentive sudden headache, blurred vision of the right eye. Headache is getting heavier With disgusting. Visual ill-defined, initially as ghosting, basic loss of post-visual acuity. Half a month after onset, the right eye outside the sudden. A few days after the eyeball ptosis of the right eyelid. Later, the above symptoms tend to be stable and no longer develop. After the onset of 10 months. Symptoms have been alleviated: headache relief, visual acuity have a certain recovery?