Which of the Following Is the Most Common Cause of Blindness

question 20

Multiple Choice

Which of the following is the most common cause of blindness in older persons?

• A)The retina of a 60-year-old person allows in only a third as much light as a 20-year-old person.
• B)The optic nerve becomes less efficient in transmitting nerve impulses to the brain.
• C)The lens of the eye becomes less transparent.
• D)The portion of the retina with the highest acuity thins and degenerates.

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