Double vision, also known as diplopia, can be frightening and disorienting. It occurs when the brain fails to merge the visual information from both eyes into a single, clear image. While double ...

Spasmodic dysphonia (or laryngeal dystonia) is a rare voice disorder that is thought to happen when your brain sends abnormal signals to your vocal folds. It only affects about 1 in 100,000 people.

Dizziness and nausea can be linked to various health conditions. Diagnosing the underlying cause is key to treating and resolving these two issues. Dizziness is a sensation that is a bit difficult to ...

DEAR DR. ROACH: My husband woke up with double vision about three weeks ago. It appears that his left eye is turned inward and does not move with his right eye. He’s had a prescription for prednisone ...