Final answer:
As Varma becomes older, he experiences physical and mental changes associated with aging, such as deteriorating vision, memory loss, and feeling disconnected from his past and family.
Step-by-step explanation:
As Varma becomes older, he experiences physical and mental changes associated with aging. In the provided text, Varma's great-grandfather is depicted as an old man who is struggling with various age-related issues. These issues include deteriorating vision, difficulty recognizing places and people, and feeling disconnected from his past and family.
Varma's great-grandfather's physical and mental decline highlights the effects of aging, such as diminished sensory abilities, memory loss, and the loss of familiar environments and relationships.
From the given description, it is apparent that aging can negatively impact an individual's physical functionality, cognitive abilities, and emotional well-being.