Double Vision (Diplopia)
Double vision, medically known as diplopia, is a visual disturbance in which a person sees two images of a single object. These images may appear side-by-side,on top of each other, or a combination of both. While it may seem like a minor inconvenience, double vision can sometimes signal a serious underlying health issue that requires prompt medical attention. Types of Double Vision Double vision is broadly classified into two types: 1. Monocular Diplopia This type persists even when one eye is closed. It is usually caused by problems within a single eye such as: * Refractive errors (e.g. astigmatism) * Cataracts * Dry eye syndrome 2. Binocular Diplopia This occurs only when both eyes are open and disappears when either eye is closed. It results from misalignment of the eyes, meaning they are not working together properly. Causes of Double Vision Double vision can arise from a variety of conditions affecting the eyes, nerves, or brain. Common causes include: Eye-R...