The most common lens problem that can cause double vision is a cataract, a clouding of the normally clear lens due to aging.

What is the most common cause of double vision?

The most common lens problem that can cause double vision is a cataract, a clouding of the normally clear lens due to aging.

Is double vision a serious symptom?

Double vision isn’t something to ignore. While typically temporary, it may signal a serious problem, such as a brain aneurysm or stroke. “Some people get fleeting double vision that goes away,” says neuro-ophthalmologist Lisa Lystad, MD.