Which effect arises when grinding a lens with incorrect curvature during the medieval Islamic Golden Age?

💡 Explanation

When a lens is ground with improper curvature, spherical aberration occurs because light rays passing through different parts of the lens focus at different points, blurring the image. Therefore, spherical aberration worsens the image quality rather than affecting color, transmission, or polarization which rely on different optical principles and material properties.

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