患者,男,27岁,因双眼视物不清伴发热头痛、5天,于1993年5月11日就诊。体格检查:体温37.5℃,脉搏74次/分,全身皮肤未见皮疹、瘀斑及出血点,表浅淋巴结无肿大,颈部无抵抗,心肺肝脾未见异常。眼部检查:右眼视力0.4,结膜无充血,角膜透明,KP(-),晶体无混浊,玻璃体絮状混浊,视 The patient, male, 27 years old, had bilateral headache with fever and headache for 5 days and was admitted on May 11, 1993. Physical examination: body temperature 37.5 ℃, pulse 74 beats / min, no skin rash, ecchymosis and bleeding points, superficial lymph nodes without swelling, neck no resistance, no abnormal heart and lung liver and spleen. Eye examination: visual acuity of 0.4 in the right eye, conjunctival hyperemia, corneal transparency, KP (-), no opacity in the crystal, vitreous flocculus, visual