This means all of the tested contact lenses exceeded 100 ppm, which is equivalent to 100,000,000 ppt, or 50,000 times more than the highest level deemed safe in drinking water by the EPA.

HEALTH Popular contact lenses could contain toxic ‘forever chemicals,’ new study finds Eye-opening: 18 brands of soft contact lenses in US found to contain chemicals that don't break down in body ...

Contact lenses, the magic clear disks that bring your world into focus, may be doing bad things to your eye bacteria, a new study suggests. Sign Up for Our Ideas Newsletter POV.

Some 45 million Americans wear contact lenses. Of them, 15 million wear daily disposables -- soft plastic discs that are worn once and thrown away. Now, a trio of researchers has done a first ...

In the absence of any simulated sunlight, no microplastics were detected. However, the researchers observed increasing amounts when the contact lenses were exposed to the equivalent of 90 days of ...