It is a surgical treatment for short-sightedness, some forms of long-sightedness and astigmatism and is carried out by ophthalmic surgeons.
Contact lenses can balance the image from both eyes, and correct any irregularities or astigmatism of the eye.
The glasses do not correct astigmatism , but they are effective against nearsightedness and farsightedness.
Toric contact lenses can correct astigmatism for most people.
Most refractive surgical procedures were developed to correct nearsightedness, farsightedness and astigmatism .
In astigmatism , the refractive power of the eye is different in different meridians.
The degree of astigmatism should not exceed more than four diopters.
Side vision is distorted and oblique rays of light passing through a spherical lens produce astigmatism .
They aren't as effective in correcting some vision problems, including high degrees of astigmatism , as are rigid lenses.
In fact about 23% of the lenses sold in Australia are sold to correct astigmatism .