via BlackDoctor:
When contact lenses first came out, they were an alternative to eyeglasses, making it even easier for those with vision problems to see. Well, now even those who wear contact lenses, have got it even easier thanks to technology.
On Tuesday, the U.S. Food and Drug Administration approved the first contact lenses that can act like sunglasses.
A special additive automatically darkens the lenses when exposed to bright light, while they become clear again in normal or dark lighting conditions.
“This contact lens is the first of its kind to incorporate the same technology that is used in eyeglasses that automatically darken in the sun,” said Malvina Eydelman. She directs the division of ophthalmic, and ear, nose and throat devices at the FDA’s Center for Devices and Radiological Health.
Johnson & Johnson Vision Care Inc.’s Acuvue Oasys Contact Lenses with Transitions Light Intelligent Technology are soft contact lenses for daily use for a maximum of 14 days by people who are nearsighted or farsighted and have no eye disease. They can also be used by people with certain degrees of astigmatism, an abnormal curvature of the eye, the FDA said in a news release
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