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Abstract：
OBJECTIVE: To present a case of a rare entity of Ascher ring, a bilateral corneal stromal opacification.
METHODS: A 70-year-old male with no ocular history who presented for cataract evaluation was found to have idiopathic bilateral circular stromal corneal rings.
CONCLUSIONS: After completion of extensive history, examination, imaging analyses, and laboratory studies for workup of corneal opacities, we arrived at a diagnosis of Ascher corneal ring, an extremely rare entity.
OBJECTIVE: A rare entity should be considered after excluding other etiologies.
METHODS: A 70-year-old male with no ocular history who presented for cataract evaluation was found to have idiopathic bilateral circular stromal corneal rings.
CONCLUSIONS: After completion of extensive history, examination, imaging analyses, and laboratory studies for workup of corneal opacities, we arrived at a diagnosis of Ascher corneal ring, an extremely rare entity.
OBJECTIVE: A rare entity should be considered after excluding other etiologies.
摘要：
目的：介绍一例罕见的Ascher环，双侧角膜基质混浊。
方法：一名70岁无眼病男性进行白内障评估，发现患有特发性双侧圆形基质角膜环。
结论：完成广泛的病史后，考试,成像分析,以及角膜混浊检查的实验室研究，我们得到了阿彻角膜环的诊断，极其罕见的实体。
目的：排除其他病因后，应考虑一种罕见实体。
方法：一名70岁无眼病男性进行白内障评估，发现患有特发性双侧圆形基质角膜环。
结论：完成广泛的病史后，考试,成像分析,以及角膜混浊检查的实验室研究，我们得到了阿彻角膜环的诊断，极其罕见的实体。
目的：排除其他病因后，应考虑一种罕见实体。
