单语范例（未经PONS编辑处理）
Complications in treated patients include oculomotor weakness, blindness, pituitary insufficiency, and hemiparesis.
en.wikipedia.org Blindness in early life led him to thc study of the harp, and being gifted in a musical sense, he made rapid progress.
en.wikipedia.org It is a leading cause of blindness in dogs, and is where there is increased fluid pressure within the eye.
en.wikipedia.org Similar to the book, blindness in the film serves as a metaphor for human nature's dark side: prejudice, selfishness, violence and willful indifference.
en.wikipedia.org His condition deteriorated into total blindness in 1987.
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