名词
中文翻译：角膜边缘
同义词：
['corneal margin', 'limbus例句：1. The doctor performed a corneal examination on the patient.（医生对病人进行了角膜检查。）']
例句：
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1. The doctor performed a corneal examination on the patient.
医生对病人进行了角膜检查。
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2. The patient's corneal health is critical for his vision.
患者的角膜健康对他的视力至关重要。
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3. During surgery, the surgeon carefully removed the damaged corneal tissue.
手术中，外科医生小心地切除了受损的角膜组织。