A person uses spectacles of power $+ 2 D$ . He is suffering from

Short sightedness or myopia

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Long sightedness or hypermetropia

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Presbyopia

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Astigmatism

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Solution

The correct option is C Long sightedness or hypermetropia
Power of the lens given positive so defect is hypermetropia.

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Similar questions

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Q. The power of lens, a short sighted person uses is

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(a) What is long-sightedness ? State the two causes of long-sightedness (or hypermetropia). With the help of ray diagrams, show :
(i) the eye-defect long-sightedness.
(ii) correction of long-sightedness by using a lens.
(b) An eye has a near point distance of 0.75 m. What short of lens in spectacles would be needed to reduce the near point distance to 0.25 m ? Also calculate the power of lens required. Is this eye long-sighted or short-sighted ?
(c) An eye has a far point of 2 m. What type of lens in spectacles would be needed to increase the far point to infinity ? Also calculate the power of lens required. Is this eye long-sighted or short-sighted ?

Q. A person suffering from myopia (short-sightedness) can see clearly only up to a distance of 2m.What is the power of concave lens required to rectify this defect?

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A person uses spectacles of power +2 D. He is suffering from

The correct option is C Long sightedness or hypermetropiaPower of the lens given positive so defect is hypermetropia.

A person uses spectacles of power $+ 2 D$ . He is suffering from

The correct option is C Long sightedness or hypermetropia
Power of the lens given positive so defect is hypermetropia.