Night vision eyedrops allow vision of up to 50m in darknesshttp://www.independent.co.uk/life-style/gadgets-and-tech/news/night-vision-eyedrops-allow-vision-of-up-to-50m-in-darkness-10138046.html? by DanBlake • 11 years ago 2 0 11 years agoINindependent.co.uk