Normal sight includes central vision (the field of view straight ahead) and peripheral vision (the field of view outside the circle of central vision). The inability to see within a normal range of view often indicates peripheral vision loss. In severe cases of peripheral vision loss, individuals only see with their central vision, which causes…
Amblyopia, commonly called lazy eye, refers to the improper development or significant loss of vision in an eye. It occurs when the brain does not acknowledge the images seen by the amblyopic eye. Amblyopia Causes Amblyopia occurs when an individual cannot use binocular vision (both eyes working together) due to one of three reasons: Strabismus –…
There are many potential causes for blurry eyes. The answer to why you have blurry vision is best answered by your eye care professional, who can offer diagnosis and prompt treatment so that your vision does not get worse. Some conditions that cause blurry vision are easy to treat, but others require quick medical attention.…
Double vision, also known as “seeing double” or the medical term diplopia, is the perception of two images of a single object. This occurs when two nonmatching images are sent to the part of the brain that processes visual input. Over time, the brain eventually begins to compensate for this misinformation by suppressing one signal…
In an ideal world, everyone would have perfectly-shaped eyes. The reality, however, is that practically every eye has some form of aberration somewhere in it. These aberrations may or may not cause vision problems, but don’t be too surprised if your eye doctor informs you that you are having difficulties due to some such imperfection.…
An eye condition affecting roughly 50 percent of individuals who need glasses, hyperopia (commonly called farsightedness) is characterized by difficulty focusing on nearby objects while being able to see objects at a distance properly. Hyperopia occurs when your eyeball is too short or when your cornea is flatter or less round than normal. This causes…
Myopia, commonly called nearsightedness, is a refractive error of the eye, meaning that the shape of the eye or its cornea improperly bends light as it enters the eye. This hinders your ability to focus. Myopia is the most common refractive error of the eyes, and is caused by several factors including eye strain, overuse,…