across the visual field
* Difficulty seeing objects on one side
* New trouble judging distance
Even when vision returns quickly, urgent medical assessment is necessary. A routine appointment with an eye specialist is not an appropriate substitute for emergency care when the change begins suddenly.
## 4.
Sudden Dizziness, Poor Balance, or Loss of Coordination
Dizziness is common and can have many causes, but sudden dizziness accompanied by other neurological symptoms may indicate a stroke or TIA.
Warning signs include:
* Unexpected difficulty walking
* Sudden loss of balance
* Stumbling or leaning