The Dangers Of The Double Vision Condition
What Causes Double Vision?
Double vision is the perception of two images of a single object seen adjacent to each other (horizontally, vertically, or obliquely) or overlapping.
Double vision is medically termed diplopia. Polyplopia is the perception of three or more images of a single object overlapping each other.
What causes double vision?
There are dozens of causes of double vision ranging from benign to life-threatening. Therefore, it is important for the doctor to carefully review the history and the examination to determine the cause and initiate appropriate treatment when necessary. When one experiences headache and double vision at the same time of more or less simultaneous onset, immediate examination in an emergency room is needed.
What are the symptoms and signs of double vision?
Images may appear to overlap each other or may appear adjacent to each other. Diplopia may vary depending on the direction of gaze or with tilting or turning of the head.
One of the most critical features to determine is whether the diplopia is monocular or binocular. In monocular diplopia, the double vision is caused by a condition within one or both eyes and does not resolve when one eye is covered. In binocular diplopia, the eyes are misaligned. Each eye sees a single image when working alone, as when one eye is covered, but when both eyes are open the brain perceives two adjacent images.
What is the treatment for double vision?
Once the underlying cause has been determined, treatment can be tailored to the underlying cause.
Most causes of monocular diplopia stem from poor focusing of light by the eye, and treatment is thus aimed at correcting the underlying cause of the blur.
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