At 60 years of age, the retina receives only ________ as much light as it did at 20 years of age.
A) two-thirds
B) one-fourth
C) half
D) one-third

Question

Quizplus · Accepted Answer

As we age, our eyes undergo several changes that affect our vision. One of these changes is the loss of sensitivity of the retina to light. At around 60 years of age, the retina receives only about one-third as much light as it did at 20 years of age. This loss of sensitivity to light can lead to difficulty seeing in low light conditions and can contribute to the development of night vision problems.

At 60 Years of Age, the Retina Receives Only ________