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An eye specialist suggested a+2D lens to...

An eye specialist suggested a+2D lens to the person with defect in vision. Which kind of defect in vision does he have ? Draw the diagrams to show the defect of vision and its correction with a suitable lens.

Text Solution

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Eye specialist suggested +2D lens, that is convex lens. Convex lens is used to correct hypermetropia. So the person has hypermetropia.
Defect of vision :

Correction :
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Knowledge Check

  • A person with a defective sight is using a lens having a power of +2D . The lens he is using is

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