A defective eye cannot see close objects clearly because their image is formed

A man with defective eyes cannot see distinctly object at the distance more than 60 cm from his eyes. The power of the lens to be used will be

Anil’s uncle cannot see nearby objects clearly, but he can see distant objects clearly. What is the eye defect he is suffering from ?

Anil’s uncle cannot see nearby objects clearly, but he can see distant objects clearly. How is it corrected ?