Some worry blue light damages the eye, resulting in gradual vision loss and discomfort. Johnson & Johnson's new contact lenses claim to change that. Share on Facebook (opens in a new window) Share on ...

Those in the 980-nm wavelength were converted to blue light, those in the 808-nm wavelength became green, and those above 1,532 nm were converted to red light. Not only could this help wearers of the ...