Concave lenses are used to correct and convex lenses are used to correct ?a)presbyopia;emmetropla
B) emmetropia;myopia
C)diplopia;myopia
D)myopia;presbyopia
D) myopia; presbyopia
D) myopia; presbyopia
Concave lenses are used to correct myopia, also known as nearsightedness. Myopia occurs when the eye is unable to focus on distant objects.
Convex lenses, on the other hand, are used to correct presbyopia, an age-related condition where the eye loses its ability to focus on near objects.