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Questions and Answers
What is the normal visual acuity according to the Snellen Eye Chart?
What is the normal visual acuity according to the Snellen Eye Chart?
- 30/20
- 20/40
- 20/30
- 20/20 (correct)
What should be done during the testing of central visual acuity using the Snellen Eye Chart?
What should be done during the testing of central visual acuity using the Snellen Eye Chart?
- Leave glasses or contact lenses out during the test
- Ask the person to read through the chart with both eyes open
- Record the result using alphabetical letters at the end of the last successful line read
- Position the person on a mark exactly 20 feet from the chart (correct)
For near vision testing, what is considered a normal result when using a handheld vision screener with various sizes of print?
For near vision testing, what is considered a normal result when using a handheld vision screener with various sizes of print?
- Hesitancy and moving the card closer or farther away for one eye only
- Each eye read without hesitancy and without moving the card closer or farther away (correct)
- Reading with both eyes open without any assistance
- Misreading letters but without moving the card
What equipment is used for testing near vision in people older than 40 years of age?
What equipment is used for testing near vision in people older than 40 years of age?
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What is tested using Confrontation Test?
What is tested using Confrontation Test?
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