The number of people in Wales diagnosed as blind or living with sight loss because of diabetes has almost halved since the introduction of a new national screening program, ITV News reports.
The research was conducted by the diabetic research unit at Swansea University and published in the British Medical Journal.
It shows that there were 339 fewer new certifications for all levels of sight loss from any cause combined in 2014-2015, compared with 2007-2008.
There was a 49-percent fall in new certifications for severe sight impairment, from 31.3 to 15.8 per 100,000 people.
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