trouble, or dizziness.
## 5. Sudden Vision Problems
A stroke can affect vision in one or both eyes.
Possible symptoms include:
* Blurred vision
* Double vision
* Partial loss of vision
* Sudden trouble seeing clearly
Some people describe it as a shadow, a dark area, or sudden visual distortion. Any unexplained and sudden change in vision should be evaluated urgently.
## 6. Trouble Walking, Dizziness, or Loss of Balance
A stroke can interfere with coordination and balance.
Warning signs may include:
* Sudden dizziness
* Trouble walking
* Loss of balance
* Lack of coordination
* Feeling unusually unsteady