How is it diagnosed?
Astigmatism is diagnosed in the course of a thorough eye examination.
How is it treated?
If the degree of astigmatism is slight and no other problems of refraction, such as nearsightedness or farsightedness, are present, corrective lenses may not be needed. If the degree of astigmatism is great enough to cause eyestrain, headache, or distortion of vision, prescription lenses will be needed for clear and comfortable vision.
The corrective lenses needed when astigmatism is present are called “Toric” lenses and have an additional power element called a cylinder. They have greater light-bending power in one axis or direction than in the others. Precise tests will be made during your eye examination to determine the ideal lens prescription.
Astigmatism may increase slowly over time. Regular eye examinations can help to ensure that proper vision is maintained.