Understanding Why We Get Double Vision

Have you ever woken up and feel like you are seeing the same object twice simultaneously? You are likely experiencing double vision or diplopia.

The first thing with double vision that needs to be determined is if the double vision is monocular or binocular. With monocular double vision one or both eyes experience symptoms when one of the eyes are covered. In contrast, with binocular double vision the eyes are misaligned. In other words during this situation each eye sees a single image when working alone but when both eyes are open the brain perceives two adjacent images.

Double vision may be triggered by a person’s head position or starts to experience eye gaze as a result of headaches or other types of pain.

Once the cause is determined, treatment can then be tailored for the patient.  Many cases involve from poor focusing of light by the eye meaning treatment is aimed at correcting the specific cause of the blur. In many situations, these problems can be corrected with glasses, contact lenses or artificial tears.  Surgery is also an option.

As you can see there are a variety of reasons why we experience this very annoying and perhaps scary type of vision.  While some reasons can be extremely benign others can be extremely life threatening and a physician should be contacted immediately.

The more you know, the better sight you will achieve!


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