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Defects Of Vision And Their Correction

How does laser surgery correct vision defects like myopia and hypermetropia?

Laser surgery, such as LASIK, reshapes the cornea to correct its curvature, allowing light to focus correctly on the retina. This procedure can correct myopia, hypermetropia, and astigmatism, often eliminating the need for glasses or contact lenses.

How does laser surgery correct vision defects like myopia and hypermetropia?2024-10-18T12:38:53+05:30

Can astigmatism occur with other vision defects?

Yes, astigmatism can occur alongside myopia or hypermetropia. In such cases, glasses or contact lenses can be designed to correct both defects simultaneously.

Can astigmatism occur with other vision defects?2024-10-18T12:38:35+05:30

What is the difference between cylindrical lenses and spherical lenses?

Spherical lenses (concave and convex) are used to correct simple vision defects like myopia and hypermetropia. Cylindrical lenses are used to correct astigmatism, as they focus light differently along different axes to correct irregularities in the curvature of the cornea or lens.

What is the difference between cylindrical lenses and spherical lenses?2024-10-18T12:37:59+05:30

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