Myopia (nearsighted or short sighted)
This is one of the most common vision disorders. It is the inability to focus on objects at a distance. The light rays are focused at a point in front of the retina, causing a blurring of the image. Myopia is typically caused by continued up close activity which causes the [...]

The eye is one of the most complex parts of the body. There are more than a billion parts all working in synchronization. The eyesight is one of the most important senses, a fact supported by the amount of brain that is dedicated to process the information received through the eye.
How the eye works
The image [...]

In 1864 a test for visual acuity (the clarity or sharpness of vision) was devised by Herman Snellen, a Dutch opthalmologist. Using the eyesight of his assistant Snellen created a chart with letters on it. The “snellen” chart has different sized letters on it and forms the basis of modern eye exams. Snellen decided what [...]