The gradual loss of sight caused by a common eye disease could be reduced by up to 20% if more fruit, vegetables and nuts were consumed in the diet, UK scientists have claimed.

Age-related Macular Degeneration (AMD) affects central vision, making it blurry. Central vision is necessary for everyday activities such as reading, driving and watching television. Straight lines, such as door frames and steps, may also appear wavy.

AMD is the most common type of registered blindness in Ireland. Around 65,000 people here are affected and while progression of the condition can, in some cases, be slowed down, it is irreversible.

According to Prof Ian Grierson, the head of Ophthalmology at the University of Liverpool, poor eating habits have a ‘huge impact’ on health in general and the health of the eyes is no exception.

“Eye problems such as AMD, cataract and even glaucoma can all be affected by what we eat. But a relatively minor change in diet - adding a little more fruit into our meals - can make a profound difference and can keep eye diseases like AMD at bay for up to 20% longer,” Prof Grierson said.

While acknowledging that there are other risk factors related to AMD, such as age, smoking and being overweight, he emphasised the role food has to play.

“If we can improve the kind of food that we eat, we could dramatically reduce the number of people who may suffer from eye diseases in the future,” Prof Grierson said.