Define the following terms A. Least distance of distinct vision
B. Far point of eye
Answers
Answer:
Least distance of distinct vision
The least distance up to which we can see the objects clearly without any strain is called least distance of distinct vision
Least distance of distinct vision for a normal human being is 25cm
Far point of eye
the point farthest from the eye at which an object is clearly focused on the retina when accommodation of the eye is completely relaxed.
Answer:
A. Distance of distinct vision is defined as the minimum distance between the eye lens and the object to form a clear image .
B. The far point is defined as the defined as the largest distance an eye can focus without straining.
It is taken as infinity for the normal eye.
Explanation:
A. For a normal human eye,it is 25cm.
B. In practice infinity means anything larger than a metres.