Double vision or diplopia refers to a condition where you see two of every object. It may occur in just one eye or in both. Your doctor will need to perform an exam to determine the severity of your condition. In some cases, it can affect your ability to walk and take care of yourself. There are different treatment options available. Start by determining the cause of your double vision.
Eye Structural Problems
The University of Michigan Kellogg Eye Center says that double vision can occur due to a structural problem within the eye. This includes refractive errors which is a general term for many conditions that cause the shape of your eye to change. To help process the objects you see, your eyes must take in light and focus it. Next, various parts of the eye must process the light and send signals to the brain so that it can interpret the object you see. Conditions such as cataracts can split the light coming into the eye. Other changes can interfere with the ability of both of your eyes to focus equally on the same object. This results in double vision and seeing two of the same image.
Weak Eye Muscles
According to Johns Hopkins there are two types of double vision. Binocular, which occurs when both eyes are open and monocular, which occurs in just one of your eyes. Binocular double vision may be caused by weakness in the muscles that control the movement of the eyeballs. There may also be damage to the nerves that supply these muscles. With either situation, your eyes will be unable to focus properly. Each eye will focus on a different area, which results in double vision. Certain diseases such as thyroid disorders, stroke, diabetes, multiple sclerosis and tumors can all contribute to problems with the nerves and muscles of the eye.
Head Injury
If you have a blow or trauma to the head, you may develop damage that can cause double vision. Car accidents or injuries while playing sports can contribute to diplopia. Falls where you hit your head and become unconscious should cause concern. Wearing a helmet or other protective gear will help to protect you from these kinds of complications.
