Optometrists, how to correct astigmatism in your patients?

An ideal optical system is stigmatic, meaning a point object focuses to a single point image. Conversely, in an astigmatic system, a point object focuses on the retina not as a point, but as a surface in the form of an ellipse, disc, or line. The perceived image is thus not clear. Astigmatic individuals may suffer from headaches, eye fatigue, or blurred vision.

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