Question

What kind of defect in vision is she suffering from?

• A. Myopia
• B. Hypermetropia
• C. Astigmatism
• D. None of these

Answer 1

The correct option is B Hypermetropia

Power of $P=4.5D\Rightarrow f=\frac{1}{4.5}$

$f=0.22m=22cm$

Positive focal length means that the lens is a convex lens.

Hence person should have trouble in seeing things close to his eyes.

He is suffering from long-sighted-ness that is $hypermetropia$.

Answer-(B)