Question

What is astigmatism? How is it caused? How can it be corrected​

Answer 1

Answer:

Astigmatism: The defect by which the person is not able to differentiate horizontal and vertical position, is called astigmatism

Answer 2

Explanation:

Astigmatism:-

Astigmatism is a common vision problem caused by an error in the shape of the cornea.

causes of astigmatism:

It occurs as a result of an injury eye or after eyes surgery.it often happen with nearsightedness.

It can be corrected by

Corrective eyeglasses and contact lenses prescribed by a doctor are the most common and least invasive treatments for astigmatism.

I hope it will be helpful