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Astigmatism Diagnosis and Treatment

What is Astigmatism?

Astigmatism is a common eye condition that’s easily corrected by eyeglasses, contact lenses or surgery. Astigmatism is characterized by an irregular curvature of the cornea. This type of disorder is also known as a refractive error. Astigmatism occurs in a lot of people, to some degree. For significant curvature, treatment is required.
A person’s eye is naturally spherical in shape. Under normal circumstances, when light enters the eye, it refracts evenly, creating a clear view of the object. However, the eye of a person with astigmatism is shaped more like a football or the back of a spoon. For this person, when light enters the eye it is refracted more in one direction than the other, allowing only part of the object to be in focus at one time. Objects at any distance can appear blurry and wavy.
People with undetected astigmatism often experience headaches, fatigue, eyestrain and blurred vision at all distances. While these symptoms may not necessarily be the result of astigmatism, you should schedule an eye exam if you are experiencing one or more symptoms.

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What Causes Astigmatism?

Astigmatism can be hereditary and is often present at birth. Astigmatism can also result from pressure from the eyelids on the cornea, incorrect posture or an increased use of the eyes for close work.

How is Astigmatism Diagnosed?

Dr. Sheiner can diagnose astigmatism by a thorough eye exam. Astigmatism may occur with other refractive errors such as myopia (nearsightedness) and hyperopia (farsightedness). Unfortunately, astigmatism often goes undetected in school-age children.

Because astigmatism may increase slowly, you should visit Total Family Eyecare for an eye exam once each year. Dr. Sheiner is trained specifically to determine and improve visual acuity with the prescription of eyeglasses or contact lenses.

How is Astigmatism Treated?

Almost all degrees of astigmatism can be corrected with properly prescribed eyeglasses or contact lenses. For a person with only a slight degree of astigmatism, corrective lenses may not be needed at all, as long as other conditions such as nearsightedness or farsightedness are not present. If the astigmatism is moderate to high, however, corrective lenses are probably needed.

Corrective lenses can be either eyeglasses or contact lenses. For astigmatism, special corrective contact lenses called toric lenses are prescribed. Toric lenses have greater light bending power in one direction than the other. After taking a few measurements, Dr. Sheiner will determine the ideal toric lens prescription for your astigmatism.

Call our office at (561) 391-3334   or…