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       Due to Hypermetropia the eyes are able to see the distant objects clearly but cannot see the nearby objects clearly. In this case the image of nearby object is formed beyond the retina.

Hypermetropia or longsightedness

Cause of Hypermetropia

       An eye suffers from Hypermetropia due to the following two reasons

    1. Abnormally short eye ball
    2. Abnormally low convexity of the eye lens

Correction of Hypermetropia

       This defect is corrected by using spectacles having suitable convex lenses. The convex lens converge the light rays, so the image is formed on the retina.

Hypermetropia and its correction
Diagram Of A Hypermetropic Eye Correction Of A Hypermetropic Eye

Test Your Understanding and Answer These Questions:

  1. What is hypermetropia?

  2. How is hypermetropia caused?

  3. How can hypermetropia be corrected?

  4. Which type of lens is used to correct hypermetropia?

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