Question

what is a spherical aberration? imperfection in the eyepiece causes eye pain imperfection in telescope tube causes the image to become blurry imperfection in computer causes image to become blurry imperfection in lens or mirror causes the image to become blurry

Explanation:

Spherical aberration is an optical - defect where an imperfection in a lens or mirror causes the image to become blurry. It occurs because rays of light that strike the outer parts of a spherical lens or mirror are focused at a different point than those that strike the central parts.

Answer:

imperfection in lens or mirror causes the image to become blurry