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Petroleum in Real Life: Two types of contact lenses

Lightweight, gas permeable contact lenses are made possible by oil and natural gas.

Once upon a time contact lenses were made of hard glass that suffocated one's eyeballs. Thankfully, along came modern plastics made from oil and natural gas—including hydrogel (a special plastic that absorbs water), without which soft contact lenses would be impossible. Read the story.

Contact lenses are made from petroleum