A corneal ulcer can be seen as a white or gray round spot on the cornea that is visible with the naked eye.

裸眼就可观察到角膜溃疡为位于角膜上的白色或灰色圆形病灶。

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A corneal ulcer can be seen as a white or gray round spot on the cornea that is visible with the naked eye.

裸眼就可观察到角膜溃疡为位于角膜上的白色或灰色圆形病灶。

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