The high blood pressure and blood lipid disorders in Type 2 diabetes affect large blood vessels, arteries, in the body. These arteries can become blocked or send off emboli and thus cause a heart attack or stroke.

While it is the smallest blood vessels, such as the capillaries, that are damaged by high glucose. The increase in blood glucose in diabetes is therefore mostly linked to eye damage in the eye's small blood vessels and it can also cause nerve damage because the nerves' own blood supply with very small blood vessels can be damaged.

But eye damage in Type 2 diabetes that affects vision is today very unusual in Sweden because we have very good control by taking fundus photographs.

It takes high blood glucose for a long time to develop eye damage that really affects vision. More than 20-30 years of diabetes is usually required. And if you get eye fundus changes, laser treatment is very effective.