Health: Eyes Disorder Secret Discovered

Society | June 27, 2003, Friday // 00:00

Scientists believe they have discovered the cause of a condition, which prevents people seeing half their world. The condition often follows injuries to the brain, such as stroke or brain damage. Problems with vision on the left side is most common after a stroke or brain injury, and affects around 10% of those patients.

It can resolve itself, but some people are left with permanent sight difficulties. It means people may only eat half a plate of food, or only draw half a picture.

However, when scientists have attempted to discover why people have the condition, they have found many areas of the brain, which are responsible for visual processes, are still working, as they should.

Now, researchers at Wake Forest University Baptist Medical Centre have suggested the condition could be caused by faulty signals from cells in an area of the brain called the basal ganglia.

They suggest these signals may affect how visual processes work.

They say it might be possible to alter the signals from the basal ganglia works so the visual areas can work effectively.

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