Quiz 1 Flashcards

1
Q

Visual acuity measurements should be taken on every patient before any test is performed or drug administered.

A

True *

False

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2
Q

Using a 67 cm working distance, neutrality is found with a +1.00 lens in front of the eye. What is the refractive error?

A

Myopia *
Hyperopia
Astigmatism
Presbyopia

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3
Q

Neutrality can be verified by moving in to see _____ motion and moving out to see _______ motion.

A

Against/Against
Against/With
With/With
With/Against *

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4
Q

An “against” reflex is neutralized with a _______ lens.

A

plus
minus *
cylindrical
bifocal

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5
Q

As we approach neutrality during retinoscopy, two characteristic changes in the reflex are:

A

faster, duller
slower, duller
faster, brighter *
slower, brighter

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6
Q

If a working lens is used during retinoscopy, then no compensation is necessary.

A

True *

False

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7
Q

During retinoscopy, the neutral zone is found with a +3.50 D lens in front of the eye. The working distance is 50 cm. What is the objective Rx with compensation?

A

+3.50 D
+2.00 D
+5.50 D
+1.50 D *

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8
Q

The closer the retinoscopic reflex to neutral, the duller the reflex is.

A

True

False *

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9
Q

The retinoscope’s streak is always ______ to its axis.

A

parallel
perpendicular
oblique *
plane

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10
Q

If the working distance is 67 cm, then ______ D should be added to the gross retinoscopy.

A

-1.50 *
-1.75
+1.50
+1.75

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