Presbyopia develops with age because the
A) lens becomes less elastic and so gradually loses its ability to focus on nearby objects.
B) eyeball lengthens and so gradually loses its ability to focus on objects that are far away.
C) lens becomes more elastic and so gradually loses its ability to focus on nearby objects.
D) eyeball lengthens and so gradually loses its ability to focus on nearby objects.

Question

Quizplus · Accepted Answer

Presbyopia is the age-related loss of near vision due to the hardening and decreased flexibility of the lens in the eye. As we age, the lens becomes less elastic, which makes it more difficult for the eyes to focus on close objects. This gradual loss of flexibility in the lens typically begins around age 40 and continues to progress throughout life. It is not caused by changes in the length of the eyeball, which is the main cause of nearsightedness and farsightedness.

Presbyopia Develops with Age Because the