Ace the ABO Ophthalmology Challenge 2025 – See Your Future Shine!

Question: 1 / 400

What does a visual acuity measurement of 20/40 indicate?

A person can see at 20 feet what is normal at 40 feet

A visual acuity measurement of 20/40 indicates that a person can see at 20 feet what a person with normal vision can see at 40 feet. This means that the individual's vision is not as sharp as what is typically expected. In practical terms, if a person with normal vision can clearly see an object from 40 feet away, the individual with 20/40 vision would need to be as close as 20 feet away to perceive the same clarity. This measurement is a standard way to assess the sharpness or clarity of vision, and having 20/40 vision suggests the person may need corrective lenses or other interventions to improve their sight, especially for activities requiring distance vision, such as driving.

Get further explanation with Examzify DeepDiveBeta

A person can see at 40 feet what is normal at 20 feet

A person has no vision problems

A person has poor near vision

Next Question

Report this question

Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy