How can diabetes affect my eyesight?

Diabetes can affect your eyes in a number of ways:

  • The most serious eye condition associated with diabetes involves the network of blood vessels supplying the retina. This condition is called diabetic retinopathy
  • The changes in blood sugar levels resulting from diabetes can affect the lens inside your eye, especially when diabetes is uncontrolled. This can result in blurring of vision which comes and goes throughout the day, depending on your blood sugar levels
  • A longer-term effect of diabetes is that the lens of your eye can go cloudy, this is called a cataract.

Not everyone who has diabetes develops an eye complication. For those that do, it is normally a very mild form of retinopathy which may never progress to a sight-threatening condition.

For further information and advice contact the Diabetes UK Helpline:

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