Defects of Vision

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Defects of Vision

Myopia, hypermetropia and astigmatism are defects of vision we can correct using lenses.

Illustrative background for MyopiaIllustrative background for Myopia ?? "content


  • Short sightedness, requires a concave lens to correct.
Illustrative background for HypermetropiaIllustrative background for Hypermetropia ?? "content


  • Long sightedness, requires a convex lens to correct.
Illustrative background for AstigmatismIllustrative background for Astigmatism ?? "content


  • Caused by an imperfection in the curvature of the cornea.
  • It is a condition in which the eye does not focus light evenly onto the retina.
  • As a result, vision for both near and far objects appears blurry or distorted.

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