Older people with diabetes who do not keep blood sugar levels low are three times more likely to develop eye disease compared to counterparts who have reduced blood sugar levels, suggests a new study by a UCL team. The study, published in the journal BMJ Open , looked at survey data for 5,600 people aged 52 and over in England across 14 years. The researchers found that people with “uncontrolled” diabetes – that is, whose blood sugar levels were high at the start of the study – had a 31% chance