Posted on August 17, 2007 in Latest News
Astigmatism usually takes place when the front surface of the eye, the cornea, has a curvature that is uneven. A group of eye conditions referred to as refractive errors is linked to Astigmatism. Refractive errors lead to a malady in the manner that light rays are focused inside the eye. Astigmatism is normally associated with nearsightedness as well as farsightedness. They are conditions that can be recognized as refractive errors. Astigmatism is not an ailment, nor does it signify that a person having it has bad eyes. It merely implies that a person has an alteration or blemish in the shape of the cornea.
Causes of astigmatism
If the corneal surface is marked by an extraordinary degree of disparity in its curvature, light refraction may be weakened. In that case, corrective lenses will be required to assist in focusing light rays in a better manner. At all times, only a minor quantity of the rays are focused and the rest are not; so that the image that is created, is always hazy. Normally, astigmatism results in hazy eyesight for all distances. Certain individuals with very high levels of astigmatism may have complications with the cornea - for instance, keratoconus.
Astigmatism is very widespread. Some experts are of the view that nearly everyone has astigmatism to some extent. The condition may arise right from the birth and continue throughout the life. The precise reason for dissimilarities in corneal shape is yet to be ascertained. But, the inclination to develop astigmatism is hereditary. For that reason, certain individuals are more prone to develop astigmatism in comparison to others.
Symptoms include distortion or haziness of images irrespective of the distance, headache and exhaustion, squinting and discomfort in the eye or pain. .
Astigmatism Remedies
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