Australian Broadcasting Corporation: The Fred Hollows Foundation has issued a warning that people around the world are in greater danger of losing their vision because of climate change. The foundation says that decreases in the ozone layer could lead to more exposure to ultraviolet (UV) rays, which are one of the most common causes of cataract blindness. Other main risk factors are age and smoking. The foundation’s research coordinator Andreas Mueller says many Australians who develop cataract blindness …