People who have type 1 or type 2 diabetes are at heightened risk of developing serious sight problems.
A recent study into retinopathy - a vision disorder that damages the retina - revealed a significant number of people with type 1 diabetes will go on to suffer visual impairment.
The Wisconsin Epidemiologic Study of Diabetic Retinopathy found glycaemic control was strongly related to whether a patient"s initial presentation of retinopathy worsened or improved.
Eyesight professionals currently monitor diabetic patients for signs of retinopathy and use lifestyle recommendations, medications and surgical approaches as appropriate to reduce the risk.
Diabetes affects vision because it promotes abnormal blood vessel growth.
Those with diabetes should ensure they attend regular eye checks, including those who already need vision correction and use contact lenses or glasses.
Opticians should also be given information about the diabetes and any other health issues as others illnesses can also affect eyesight.
by Emily Tait