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Did you know modern laser technology is often effective in correcting astigmatism by reshaping the cornea?

Astigmatism (uh-STIG-muh-tiz-um) is a common, optical imperfection in the curvature of the front surface of your eye called the cornea. When astigmatism is present, the cornea has a slightly different surface curvature in one direction or the other. The normal cornea is shaped like a basketball. The astigmatic cornea is shaped like a football.

The condition can cause blurred vision at all distances due to the inability of the optics to sharply focus light rays onto your retina. Instead of focusing light rays at one focal point, the light rays are split apart creating multiple focal points determined by the horizontal or vertical plane that is overly pronounced.

Astigmatism may occur in combination with nearsightedness or farsightedness. Astigmatism can be corrected with glasses, special contact lenses or refractive surgery. Refractive laser vision correction is a permanent correction made to the cornea by reshaping it to a natural round curvature without imperfections.

Glasses must have the opposite distortion to correct astigmatism, so the visual field is clear only when looking through the distortion point in the glasses. This can make it difficult to see in the periphery without turning your head.

Special soft contact lenses called toric contact lenses can also correct astigmatism. The toric contact lens can be more expensive than traditional soft contact lenses and tends to rotate slightly with each blink causing a blur until they rotate back into position.

The highly advanced laser technology utilized in vision correction procedures to correct astigmatism makes laser vision correction for astigmatism a superior and popular choice.

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