Snellen Eye Chart: Visual Acuity Test Procedure

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What is the purpose of using the Snellen eye chart?

To examine depth perception

To test visual acuity (correct)

To assess peripheral vision

To test color vision

After positioning the patient 20 feet away from the Snellen eye chart, how should you proceed to test each eye?

Cover one eye with an opaque card or gauze (correct)

Use polarized glasses

Apply pressure to both eyes

Test both eyes simultaneously

If a patient wears corrective lenses, what is the recommended approach when testing visual acuity with the Snellen eye chart?

Start testing with both eyes covered

Test without glasses first (correct)

Record both results together

Test with glasses on first

In cases where visual acuity recorded is less than 20/20, what additional test can be performed to determine the cause of decreased acuity?

Pinhole test Signup and view all the answers

What is the purpose of the Rosenbaum pocket vision screener?

To test near vision in each eye separately Signup and view all the answers

Which condition would be suspected if a patient reports straight lines looking irregular or bent?

Macular degeneration Signup and view all the answers

If a patient experiences objects appearing smaller in one eye, what term is commonly used to describe this symptom?

Micropsia Signup and view all the answers

While assessing extraocular muscles, which test can be performed to determine the direction of deviation of a strabismic eye?

Cover-uncover test Signup and view all the answers

In the cover-uncover eye test for strabismus, what should be observed when covering one eye?

Movement of the uncovered eye as it focuses on a point Signup and view all the answers

If a patient is asked to cover their right eye during a confrontation test, which eye should you cover as the examiner?

Left eye Signup and view all the answers

What is the purpose of the cover-uncover eye test in assessing strabismus?

To assess the ability of both eyes to fixate on an object Signup and view all the answers

During a confrontation test for peripheral vision, how should the examiner and patient position themselves?

Opposite each other at eye level with one eye covered each Signup and view all the answers

Snellen Eye Chart: Visual Acuity Test Procedure

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Questions and Answers

What is the purpose of using the Snellen eye chart?

After positioning the patient 20 feet away from the Snellen eye chart, how should you proceed to test each eye?

If a patient wears corrective lenses, what is the recommended approach when testing visual acuity with the Snellen eye chart?

In cases where visual acuity recorded is less than 20/20, what additional test can be performed to determine the cause of decreased acuity?

What is the purpose of the Rosenbaum pocket vision screener?

Which condition would be suspected if a patient reports straight lines looking irregular or bent?

If a patient experiences objects appearing smaller in one eye, what term is commonly used to describe this symptom?

While assessing extraocular muscles, which test can be performed to determine the direction of deviation of a strabismic eye?

In the cover-uncover eye test for strabismus, what should be observed when covering one eye?

If a patient is asked to cover their right eye during a confrontation test, which eye should you cover as the examiner?

What is the purpose of the cover-uncover eye test in assessing strabismus?

During a confrontation test for peripheral vision, how should the examiner and patient position themselves?

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