What is Astigmatism?

Solution:- Astigmatism is an eye condition with blurred vision as its main symptom. The front surface of the eye (cornea) of a person with astigmatism is not curved properly - the curve is irregular - usually one half is flatter than the other - sometimes one area is steeper than it should be.

When light rays enter the eye they do not focus correctly on the retina, resulting in a blurred image. Astigmatism may also be caused by an irregularly shaped lens, which is located behind the cornea. 


The two most common types of astigmatism are:

  • Corneal astigmatism - the cornea has an irregular shape
  • Lenticular astigmatism - the lens has an irregular shape



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