Geographical differences found in causes of blindness worldwide

A new study has revealed that the proportion of vision impairment and blindness worldwide that is caused by cataract and macular degeneration varies geographically. The findings are published in The Lancet Global Health.The team of researchers, led by Rupert Bourne of the Vision and Eye Research Unit at Anglia Ruskin University, say their study is the largest ever analysis of worldwide vision impairment and blindness.To reach their findings, they analyzed geographical trends of the disabling con...