Question

why is necesary to wear spectacles for poor eyesight?​

Answer 1

Answer:

If the eyes work harder to focus on close-up objects, they are considered farsighted. When someone who is farsighted doesn't wear glasses, the eyes have to work harder to focus, often leading to headaches and fatigue.

Answer 2

Explanation:

If the eyes work harder to focus on close-up objects, they are considered farsighted. When someone who is farsighted doesn't wear glasses, the eyes have to work harder to focus, often leading to headaches and fatigue.