But so far, improvement in vision has persisted as long as two years after a single treatment without evidence of significant adverse side effects.
但到目前为止，在经过一次性治疗后，病人视觉的改善最长已经维持了两年时间，没有证据显示出现了明显的不良副作用。
(of an idea or opinion) formed beforehand; especially without evidence or through prejudice: certain preconceived notions.
(意见或观点)提前形成的；尤指没有依据或有偏见的：某一先入为主的意见。
Follow-up ranging from 2 to 5 years (mean, 38 months) showed improvement in hip function without evidence of prosthesis loosening.
随访2年至五年(平均38个月)显示髋关节功能改善且没有假体松动征象。
It is recommended that a metastatic adenocarcinoma found in axillary lymph node without evidence of mammary or extramammary primary lesion should be treated as a breast cancer.
强调了腋淋巴结转移癌在没有明显乳外癌灶的情况下应视为乳腺癌而尽早予以治疗。
The physical exam revealed a macerated peristomal site with surrounding erythema, induration, and serosanguineous drainage. The abdominal exam was otherwise normal without evidence of obstruction.
体检发现造瘘口周围皮肤可见红斑、硬结及渗液，腹部体检正常，未见明显梗阻体征。
Without evidence of a crime, he has limited ability to hold anyone he suspects of entering the country illegally.
如果没有犯罪证据，他权力有限，不能扣留任何他怀疑非法入境的人。
Without evidence, his passage would not mean a thing to us readers and we would never be able to believe what he has said.
如果没有论据，作者的文章对我们读者就没有意义，我们也不会相信作者文中所述的内容。
Without evidence, his passage would not mean a thing to us readers and we would never be able to believe what he has said.
如果没有论据，作者的文章对我们读者就没有意义，我们也不会相信作者文中所述的内容。
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