Which eye defect is corrected by a lens having different curvatures in two perpendicular directions?
A)myopia
B)presbyopia
C)hyperopia
D)astigmatism

Question

Quizplus · Accepted Answer

Astigmatism is a condition where the eye's cornea or lens is not uniformly curved, causing blurred or distorted vision. A lens with different curvatures in two perpendicular directions is called a toric lens, which can correct the uneven curvature of the eye in astigmatism. Myopia, presbyopia, and hyperopia are corrected by lenses with uniform curvatures.

Which Eye Defect Is Corrected by a Lens Having Different