Science
Answer
The minimum distance, at which objects can be seen most distinctly without strain, is called the least distance of distinct vision or the near point of the eye. For human eye with normal vision, the near point is about 25 cm. The farthest point upto which the eye can see objects clearly is called the far point of the eye. It is infinity for a normal eye.
Related Questions
What is meant by power of accommodation of the eye?
A person with a myopic eye cannot see objects beyond 1.2 m distinctly. What should be the type of the corrective lens used to restore proper vision?
A student has difficulty reading the blackboard while sitting in the last row. What could be the defect the child is suffering from? How can it be corrected?
The human eye can focus on objects at different distances by adjusting the focal length of the eye lens. This is due to
- presbyopia
- accommodation
- near-sightedness
- far-sightedness