In an eye with astigmatism, light fails to come to a single focus on the retina to produce clear vision. Instead, multiple focus points occur, either. If you have astigmatism, your doctor will probably prescribe a special type of soft contact lenses called toric. They can be made to bend light. Slight astigmatism usually doesn't affect vision or require treatment. Astigmatism frequently occurs with other vision conditions like myopia (nearsightedness).
Astigmatism is measured in diopters. On a prescription, “cylinder” refers to your degree of astigmatism. Astigmatism occurs when light is bent differently depending on where it strikes the cornea and passes through the eyeball. The cornea of a normal eye is curved . With astigmatism, the lens of the eye or the cornea, which is the front surface of the eye, has an irregular curve. This can change the way light passes, or refracts, .
One of the most widely-reported symptoms of astigmatism—blurry vision—can be so mild in some people that it can hardly be detected. Astigmatism is one of a group of eye conditions known as refractive errors and these errors cause a disturbance in the way that light rays are focused within your . Astigmatism — Learn about this common and treatable eye condition Astigmatism isn't caused or made worse by reading in poor light, sitting. For most of us, though, the cornea is formed more like half an egg, and the curvature is slightly different in each direction. When astigmatism.