Question 1:
What is meant by power of accommodation of the eye?
Answer:
When the ciliary muscles are relaxed, the eye lens becomes thin, the focal length
increases, and the distant objects are clearly visible to the eyes. To see the nearby
objects clearly, the ciliary muscles contract making the eye lens thicker. Thus, the
focal length of the eye lens decreases and the nearby objects become visible to the
eyes.Hence, the human eye lens is able to adjust its focal length to view both
distant and nearby objects on the retina. This ability is called the power of
accommodation of the eyes.
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