A certain person can see clearly objects at a distnaces btween 20 cm and 250 cm from his eye.
What spectacles are required to enable him to see distant objects clearly?

If far point of myopic person is 50 cm in front of the eye, what is the power of lens required to enable him to see very distant objects clearly ?

The far point of a myopic person is 80 cm. In front of the eye. What is the power of the lens required to enable him to see very distant objects clearly ? The person above prefers to remove his spectacles,while reaing a book.Explain,why.

The far point of a myopic person is 80 cm. In front of the eye. What is the power of the lens required to enable him to see very distant objects clearly ? In what way does the corrective lens help the person above?Does the lens magnify very distant objects?Explain.

A certain myopic person has a far point of 150 cm. What power of a corrective lens must have to allow him to see distant objects clearly ?

A person can see objects clearly, when they are farther than 12.5 m away What type of lens and what type of power will allow the person to see distant objects clearly ?