During the Renaissance period, women applied an extract of the belladonna plant to their eyes to dilate their pupils and give a wide-eyed, beautiful appearance.

在文艺复兴时期，女人们会用莨宕植物的提取液来护理眼睛，它有扩大瞳孔的功效，能让女人看上去眼镜更加细长，外表更加漂亮。

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Even in China, investment advisors are busy selling snake oil to wide eyed investors thinking they can actually double their money in a short period of time.

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