Astigmatism is due to –
Correct Answer: Irregularity of curvature of cornea
Description: Astigmatism is a type of refractive error wherein the refraction varies in the different meridia. Consequently, the rays of light entering in the eye cannot converge to a point focus but form focal lines. Broadly, there are two types of astigmatism: regular and irregular Corneal astigmatism is the result of abnormalities of curvature of cornea. It constitutes the most common cause of astigmatism Reference : A K KHURANA OPHTALMOLOGY,Edition 4,Page-34
Category:
Ophthalmology
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