Which of the following is correct for lens focusing, while seeing distant object ?

Which of the following is correct for lens focussing, while seeing distant object ?

How do we see distant and closer objects ?

Draw well labelled diagram for the following: The change in the shape of the lens while seeing distant and nearby objects

A person cannot see beyond a distance of 50 cm.The power of corrective lens required to see distant object is

The change in the shape of the lens while seeing distant and nearby objects.

Consider the following statements : 1. A person with myopia can see distant objects distinctly but cannot see nearby objects clearly. 2. A person with hypermetropia cannot see distant objects clearly. 3. A person with presbyopia can see nearby objects without corrective glasses. Which of the statements given above is/are not correct?