THE US Food & Drug Administration has approved the first contact lens which automatically darkens when exposed to bright light.
Acuvue Oasys Contact Lenses with Transitions Light Intelligent Technology are soft contact lenses indicated for daily use to correct the vision of people who have myopia or hyperopia.
The lenses contain a photochromic additive that adapts the amount of visible light filtered to the eye based on the amount of UV light to which they are exposed.
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