Astigmatism is a type of refractive error. It is not an eye health problem but is a problem with how the eye focuses light beams that enter the eye.
Astigmatism means that light doesn't come to a single focus on the retina and instead multiple focus points occur either behind or in front of the eye. 
Astigmatism is characterised by an irregular curvature of the cornea. Astigmatism occurs to some degree in most people but usually doesn’t require treatment.
Find out more about symptoms of astigmatism



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