Debra Ronca, a contributor to the How Stuff Works website, argues that some parents might be putting the cart before the horse in blaming close-up TV watching for their child's vision issues.

员工怎样工作网站供稿人黛布拉·荣卡提出说，在归咎近距离看电视与保护孩子视力之间，父母处于一个很尴尬的境地。

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But, says Antonio Carlos Ronca, the rector of Sao Paulo's Catholic University, the provao has forced slacker institutions to improve standards, or risk a tide of student defections to higher-scoring universities.

ECONOMIST: Latin American universities: Under examination | The