Astigmatism

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Astigmatism-vision

Astigmatism is a condition in which objects, both near and distant, appear same as in a funhouse mirror at an amusement park. The cornea and lens of the eye become spherical. When one or both are curved more steeply in one meridian than another, it results into different surface powers at different meridians of the cornea or the lens. This uneven curvature prevents light rays to focus on single point of the retina.

Astigmatism often occurs in combinations with myopia and hyperopia.

 

Astigmatism

A person with Astigmatism has a cornea that is shaped more like a football than a sphere.  It usually has a steeper slope and a flatter slope, resulting in light rays being focused in two parts of the eye.  This causes blurry vision and can be seen in Myopic or Hyperopic people.