(HealthDay News) — Double vision occurs when a person sees two images of the same object, sometimes as completely separate items and sometimes as an overlappingimage. This can be caused by a multitude of conditions, such as diabetes, companies cataracts, brain tumors and dry eyes.

The University of Iowa warns that many types of double vision can’t be prevented, but safety precautions can be taken. Some of these include wearing safety goggles and headgear for sports and high-risk occupations. Those with the condition should also always wear seatbelts while driving. Diabetics should keep their sugars under control to decrease the risk of developing double vision.

Patients with double vision can usually do eye exercises or consider surgical straightening of the eye to treat the condition.