Human Eye and Colourful World

The human eye can focus objects at different distances by adjusting the focal length of the eye lens. This is due to

1. Presbyopia
2. Accommodation
3. Near-sightedness.
4. Far-sightedness.

Solution:

The ability of the human eye to focus on objects placed at different distances by adjusting the focal length of the eye lens is called accommodation.

Correct answer: B