In our latest blog post we are going to look at what Photochromic reading glasses are, how they work and how they can make your life more convenient. What are Photochromic Reading Glasses and How do they Work? Photochromic or light adaptive lenses, were invented by William H. Armistead and Stanley Donald Stookey in the 1960s. These special lenses have the ability to change colour in certain situations. When the apparently clear lenses are exposed to sunlight, they become tinted, turning into sunglasses in a matter of seconds. Since they were…