What Unequal or imperfect curvatures of the lens or cornea that can cause blurred vision is called?

Unequal or imperfect curvatures of the lens or cornea that can cause blurred vision are referred to as astigmatism. This condition occurs when the cornea or lens has an irregular shape, preventing light from focusing evenly on the retina. As a result, individuals with astigmatism may experience distorted or blurry vision at various distances. Treatment options often include corrective lenses or refractive surgery.