People with diabetes are at risk of damage from diabetic retinopathy, a condition that can lead to sight loss if not treated. It occurs when diabetes affects small blood vessels, damaging the part of the eye called the retina. Everyone with diabetes who is 12 years old or over is invited for eye screening once a year.

Screening is offered because:

• Diabetic retinopathy doesn't tend to cause any noticeable symptoms in the early stages
• The condition can cause permanent blindness if not diagnosed and treated promptly
• Screening can detect problems in your eyes before they start to affect your vision
• If problems are caught early, treatment can help prevent or reduce vision loss

The screening test involves examining the back of the eyes and taking photographs. Depending on your result, you may be advised to return for another appointment a year later, attend more regular appointments, or discuss treatment options with a specialist.

Details about NHS diabetic eye screening programme can be found on the NHS Choices website.