Ryan O'Hare
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The NHS Atlas of Variation shows performance differences across England, including access to diabetic health screening and cataract operations
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The number of sight tests carried out in England fell by almost 23,000 in 2014–15, compared with the previous year
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Online tool ranks which professions are likely to become fully automated in the future, showing optometry to be safe, but dispensing optics may not be so secure
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Dementia could be detected early on through observing changes to the retina, say researchers