A person can see clearly objects lying between 15cm and 100cm from the eye. What will be the range of his vision if he wears close fitting spectacles having a power of -0.8D?

A person can see clearly objects lying between 15cm and 100cm from the

1.	A person can see clearly objects lying between 15cm and 100cm from the eye. What will be the range of his vision if he wears close fitting spectacles having a power of -0.8D?
Answer» `-17CM & -500CM` `-19cm & -600cm` `-20cm &-700cm` `-17cm &-900cm` Answer :A