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Z. Vision Therapy — Class Final > Accommodation > Flashcards

Accommodation Flashcards

(55 cards)

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1
Q

While presbyopia is a crystalline lens problem, AI is a ___ problem

A

Sensorimotor

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2
Q

AI prevalence —
Kids (6-18): ?
University students: ?

A

Kids: 2.3%
Uni Students: 6.2%

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3
Q

DX criteria for AI (4)

A
  1. Low amps
  2. Large lag
  3. Difficulty w/ minus on MAF & BAF
  4. Low PRA
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4
Q

AI or AE: more likely to be ESO?

A

AE

Both are likely eso, but AE > AI

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5
Q

Accommodative Paralysis is associated with (5)

A
  1. Glaucoma
  2. Infection
  3. Lead poisoning
  4. Trauma
  5. Diabetes
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6
Q

Subcategories of AI? Which is more common?

A
  1. Accommodative Paralysis (rare)
  2. Developmental Accommodative Insufficiency (more common)
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7
Q

T/F: Accommodative Paralysis is unilateral and sudden

A

FALSE; AP can be gradual/sudden or bilateral/unilateral (both depending on cause)

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8
Q

T/F: Developmental Accommodative Insufficiency is always bilateral and gradual

A

TRUE

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9
Q

Etiology of Developmental Accommodative Insufficiency?

A
  • Idiopathic
  • Functional amblyopia
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10
Q

T/F: AI is associated with NV blur

A

TRUE

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11
Q

T/F: Add Power is appropriate TX for presbyopia, but not for an AI pt

A

FALSE; ADD power is the TX for AI

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12
Q

What is considered early stage or less severe AI?

A

Ill-Sustained Accommodation

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13
Q

What is the differential bw AI and Ill-sustained Accommodation?

A

Normal amps

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14
Q

Which accommodative dysfunction shows difficulty with both (+) and (-) lenses?

A

Accommodative Infacility

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15
Q

Intermittent near-far/far-near blur can be indicative of

A

Accommodative Infacility

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16
Q

What is the best TX for Accommodative Infacility?

A

VT

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17
Q

AE prevalence —
Kids: ?
Uni Students: ?

A

Kids: 2.2%
Uni Students: 10.8%

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18
Q

AE will have fluctuating ___ (distance/neasr) vision

A

BOTH; Distance and Near

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19
Q

In AI, the cause of eso is ____ (accommodative vergence/vergence accommodation)

A

Vergence Accommodation

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20
Q

In AE, the cause of eso is ____ (accommodative vergence/vergence accommodation)

A

Accommodative Vergence

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21
Q

In addition to accommodation, Accommodativ Spasm is also a spam of…

A

Miosis and convergence (near triad)

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22
Q

AE may also show up as…

A

Pseudomyopia or Latent Hyperopia

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23
Q

For patients ≥ 1 yrs old, what/how many drops?

Study These Flashcards
A

2 drops of 1% cyclopentolate, each eye, 5 min apart

24
Q

For patients < 1 year, what/how many drops?

Study These Flashcards
A

2 drops 0.5% cyclopentolate, each eye, 5 min apart

25
In Nott Ret, you move the ___
Retinoscope
26
In Bell Ret, you move the
Target
27
Basic/Monocular VT for Accomm Dysfunctions (6)
1. Near Far Hart Chart Rock 2. Jensen Rock 3. Monocular Accommodative Rock (MAR) 4. Loose lens tromboning 5. Lens sorting 6. Split Pupil
28
How to *decrease* difficulty in NFHC?
Move closer to far chart, bring near card farther. (Decrease distance working distance, increase near working distance)
29
How to *increase* difficulty of NFHC?
Move farther from far chart, bring near card closer. (Increase distance working distance, decrease near working distance)
30
T/F: Jensen Rock is more difficult than NFHC
TRUE (near point must be maintained for 3 sec and then relaxed to far chart)
31
T/F: MAR can be conducted with any reading material
TRUE
32
MAR ratio for AI
1:2, plus: minus *should start with +1.00/-2.00 or use 1/4 of pts amps as starting minus
33
Max lens for MAR
+2.50/-5.00
34
MAR lens ratio for AE
1:1, plus:minus
35
What lens is used for Loose Lens Tromboning?
AI — minus AE — plus
36
How to *increase* difficulty with Loose Lens Tromboning?
1. Higher Power 2. Move Faster 3. Bring lens closer to eye
37
Max plus/minus to be used in Lens Sorting
Max plus: +2.50 (if WD is 40 cm) Max minus: 1/2 amps
38
What questions should be asked during lens sorting to develop awareness? (3)
1. Which lens makes print smaller/larger? 2. Which lens do you feel more strain/effort? 3. Does the lens make the object closer/farther?
39
What is the endpoint of Lens Sorting?
When the pt can recognize 0.25 to 0.50 increments
40
Lens sorting accommodation for AI
Plus to low minus (until can appreciate more minus)
41
Lens sorting accommodation for AE
Minus lens only (until can appreciate plus)
42
Lens sorting accommodation for Accommodative Infacility
Mark print larger (until pt can improve to smaller)
43
T/F: during plot pupil, accommodative stimulus *only* changes when pt focuses on top image
FALSE; bottom image (where lens is applied)
44
T/F: Alternating Accommodative Rock is both an unfused and bi-ocular technique
FALSE
45
Unfused Accommodative Techniques (3)
1. Alternating Accommodative Rock 2. Loose lens bi-ocular rock 3. Split spirangle
46
T/F: when conducting, Loose Lens Bi-ocular Rock, the pt is *supposed to* see double
TRUE
47
In Loose Lens Bi-ocular Rock. A ___ lens is placed over OD to ___ accommodation and creates the ___ image.
Minus; stimulate; top
48
A ___ lens is placed over OS to ___ accommodation and creates the ___ image.
Base Up Prism; relax, bottom
49
Peripheral Awareness Therapies (3) + Instructions
1. Peripheral Awareness Chart 2. Macdonald Chart 3. Hart Chart Strips Look at center letters and call surrounding letters w/o moving eyes
50
T/F: Binocular Accommodative Rock may not work is pt is suppressing
TRUE
51
Luster occurs with ___ glasses on a ___ background, indicating ___.
R/G, white, no suppression
52
What type of pts could benefit from Peripheral Awareness and Plus Acceptance Training?
AE and CE
53
According to Rouse 1987, VT is effective at… (3)
1. Altering accommodative function 2. Reducing/eliminating associated symptoms 3. Altering physiologic components of accommodation (maintained post-VT)
54
Plus Acceptance Training includes (3)
1. Plus lens sorting 2. Plus walk-away 3. Plus lens tromboning
55
Approx how many VT sessions before advancing?
8 monocularly —> 8 un-fused —> 8 binocular

Z. Vision Therapy — Class Final (7 decks)

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