Cover Test + Von Graff

Question 1

Phoria

Answer 1

“The physiological position at rest” - how the eyes are aligned in the ABSENCE of all stimuli for fusion - alignment when dissociated (has to work individually)

Question 2

Tropia

Answer 2

How the eyes align in the PRESENCE of stimuli for fusion - when binocular vision is NOT present under normal seeing conditions.

Question 3

Accommodative insufficiency

Answer 3

Insufficient amplitude of accommodation to focus or sustain at near

Question 4

Accommodative excess

Answer 4

Accommodation in excess of the amount required for the visual stimulus

Question 5

Accommodative in facility

Answer 5

Sluggish or difficult accommodative response to change in stimulus or fixation distance

Question 6

I’ll sustained accommodation

Answer 6

Normal accommodative amplitude that deteriorates over time

Question 7

In photophores alignment test(s)

Answer 7

Von Graeme

Question 8

Out of phoropter ocular alignment test(s)

Answer 8

Cover test, Maddox rod, modified thoringron

Question 9

Expected distance values of phobia

Answer 9

Ortho - 2 prism diopters XP

Question 10

Expected near values of phoria

Answer 10

Ortho - 6 prism diopters XP

Question 11

Vertical expected values of phoria

Answer 11

Ortho

Question 12

Neutralize exo

Answer 12

bI

Question 13

Neutralize eso deviation

Answer 13

BO

Question 14

Neutralize Hyper deviation

Answer 14

BD

Question 15

Neutralize hypo deviation

Answer 15

BU

Question 16

Von Graefe set-up

Answer 16

In phoropter 12 BI over OD, 6BU over OS, target 11 or 2 lines above BCVA of poorer seeing eye

Question 17

Unilateral cover test (tests for)

Answer 17

Phoria vs tropia

Question 18

Alternating cover test (test for)

Answer 18

Magnitude of deviation

Question 19

Phoria recording

Answer 19

Includes: magnitude, deviation, and laterality (vertical only)