Documents astigmatism_2.ppt

Astigmatism is a type of refractive error wherein the refraction varies in the different meridian. Astigmatism is a defect in which light entering the eye is unable to be…

Documents astigmatism

Astigmatism is a type of refractive error wherein the refraction varies in the different meridian. Astigmatism is a defect in which light entering the eye is unable to be…