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The Human Eye and Colourful World
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04/12/2020 10:29 am
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What are the common defects of vision that can be corrected by the use of suitable eyeglasses or spectacles?
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04/12/2020 10:30 am
There are mainly four common defects of vision that can be corrected by the use of suitable eye glasses or spectacles.
These are
(i) Myopia or near-sightedness,
(ii) Hypermetropia or far-sightedness,
(iii) Presbyopia, and
(iv) Astigmatism.