??????? (Binocular Function Test)

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???? ?????(Binocular Vision and Functional Test)
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CONTENTS

1. Define of Binocular Vision
2. Accommodation
3. Vergence
4. 21 Point Examination in Optometry
5. Test of Vergence Function
6. Test of Accommodative Function

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1. Define of Binocular Vision

• ???(Binocular Vision)? ??? ? ?? ???? ??? ????
  ???.
• ???? ??? ????, ??? ?? ?? ???.
• ?, ???????
• (Clear Single binocular vision)

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1. Define of Binocular Vision

• ????? ????? ????? ?. ???? ????? ??.
• ????? ?? ???? ????(version)? ????(vergence)?
  ?????? ?. ???? ?????? ??.
• ?????? ?-??? ????? ????? ?? ???.

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1. Define of Binocular Vision

• ???? ????(vergence)? ??? ??? ?? ????
• ??????? ??? ?? ? ??? ?? ??? ?? ???? ?? ?? ???? ??
  ????.
• ??????? ???? ???? ???? ???? ???? ? ??.
• ? ?????? ???? ?? ????!!

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2. Accommodation

• ??(Accommodation)
• ????? ?? ??? ??? ??? ?? ??? ???? ? ? ??? ???
  ????? ?? ??.

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2. Accommodation

• ??? ??
• ?????(Tonic Accommodation)
• ?????(Reflex Accommodation)
• ?????(Proximal Accommodation)
• ?????(Vergence Accommodation)

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2. Accommodation

• ?????(Tonic Accommodation)
• ????? ???? ?? ?????
• ??? ?? ??. ?? ?? ?? ??.
• 0(zero)? ??? ?????? ??.

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2. Accommodation

• 2. ?????(Reflex Accommodation)
• ??? ?? ?? ???? ?? ????
• ?? ????? ???? ??.

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2. Accommodation

• 3. ?????(Proximal Accommodation)
• ??? ??? ???? ?? ????
• ???? ??.
• ??? ??(Psychological Acc)???? ??.
• ?(tube)?? ?? ??? ? ? ?????? ?? ????
  ?????(Instrument Acc) ???? ??. ??? ??? ???? ??.

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2. Accommodation

• 4. ?????(Vergence Accommodation)
• ?????(Synkeinetic Eye Movement)? ?? ???? ??.

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3. Vergence

• Vergence(????)
• ?? ?????? ??? ???? ???
• ??? ??? ??.
• Convergence(??, ???)
• ??? ??? ???? ??
• Divergence(??, ???)
• ??? ??? ???? ??

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3. Vergence

• ??? ????
• ?????(Tonic Convergence)
• ?????(Fusional Convergence)
• ?????(Proximal Convergence)
• ?????(Accommodative Convergence)

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3. Vergence

• ?????(Tonic Convergence)
• ???? ??? ?? ??? ??
• ?? ?? ? ?? ??? ?? ????.
• ???? ????? ?? ??? ????
• ?? ? ??? ??.
• ?, ??? ???? ??? ??? ???
• ???? ??.(??? ?? ??)

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3. Vergence

• 2. ?????(Fusional Convergence)
• ??? ?? ?? ???? ??????
• ???? ??? ???? ??
• ??? ??? ????(Retical disparity)
• ? ??? ???? ??.

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3. Vergence

• 3. ?????(Proximal Convergence)
• ??? ?? ??? ????? ???? ??
• ?????(Instrument Convergence)???
• ?? ? ?? 23 ?????? ????.

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3. Vergence

• 4. ?????(Accommodative Convergence)
• ??????? ??? ???? ??? ??
• ??? ????? ????? ?? ??
• ?????? ??? ?? ?? ???.

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4. 21 Point Examination in Optometry

• ??? ?????
• ?????? ??? ????? ???? ????? ???? ??? ?? ????
  ????? ??????? ???? ??? ???.
• ???? ??? ??? ????? ??? ????? ??, ???? ????????
  ?????, ??? ??? ??? ??.
• (??, ????, ?? ?)

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4. 21 Point Examination in Optometry

• ??? ??? Optometrist?? ??? ???? ???? ????.
• ??? Optometrist?? ??? 21 ??? ?? ???? ???? ????.

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4. 21 Point Examination in Optometry
Test Number Test Description
1 Ophthalmoscope
2 Keratometry
3 Habitual lateral phoria at distance
4 Static retinoscopy
5 Dynamic retinoscopy at 20 inches(50cm)
6 Dynamic retinoscopy at 40 inches(1m)
7M Subjective refraction(monocular)
7A Subjective refraction(binocular)
8 Lateral phoria at distance through 7
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4. 21 Point Examination in Optometry
Test Number Test Description
9 Base-out to first blur at distance
10 Base-out to break and recovery at distance
11 Base-in to break and recovery at distance
12A Vertical phoria at distance
12B Vertical fusional vergence range at distance
13A Habitual lateral phoria at near
13B Lateral phoria at near through 7
14A Unfused(monocular) cross cylinder
14B Fused(binocular) cross cylinder
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4. 21 Point Examination in Optometry
Test Number Test Description
15A Lateral phoria at near through 14A
15B Lateral phoria at near through 14B
16A Base-out to blur at near
16B Base-out to break and recovery at near
17A Base-in to blur at near
17B Base-in to break and recovery at near
18A Vertical phoria at near
18B Vertical fusional vergence range at near
19 Amplitude of accommodation (monocular minus to blur)
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4. 21 Point Examination in Optometry
Test Number Test Description
20 Positive relative accommodation
21 Negative relative accommodation
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5. Test of Vergence Function

• Test of Vergence Function
• 1. Near point of convergence(??????)
• ?????? ??, ???? ?? ?????
• 2. Phoria test(????)
• ??? ??? ??? ??? ???? ?? ??
• 3. Fusional vergence reserve(?????????)
• ??? ???? ?? ?????(motor fusion)??? ??
• 4. Fusional vergence facility(?????????)
• ??? ????? ??? ?? ? ?? ??

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5. Test of Vergence Function
1. ????????
2. ????????
3. ??????????
4. ??????????
5. ??????????
6. AC/A? ??
7. ??????
?? ??? ?? ??
???
???
???
???
???
???
???
???
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5. Test of Vergence Function

• 1. ????????

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5. Test of Vergence Function
2. ????????
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5. Test of Vergence Function
3. ??????????
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5. Test of Vergence Function
4. ??????????
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5. Test of Vergence Function
5. ??????????
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5. Test of Vergence Function
6. AC/A? ??(Von graefe? ??)
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5. Test of Vergence Function
7. ??????(Double Maddox Rod Test)
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5. Test of Vergence Function
?? ??? ??? ??? ??
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5. Test of Vergence Function

• ????(Cyclorotatory Heterophoria)
• ?????? ???? ?? ?? ???
• ???? ?? ???.
• ??
• ?? RMH? 12??? BI ??
• ?? WHH??
• -gt ???? ???? ????,
• ??? ??? ???? ??? ??.

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5. Test of Vergence Function

• ?? 2?? ???? ???? ??
• ??? 2?? ???? ???? ??
• ??? ?? ???? ? ???? ???? ??? ????????(right
  encyclophoria), ????? ???? ??? ????????(right
  excyclophoria)? ??.
• ??? ??? ????? ?? ????? ??

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5. Test of Vergence Function

• ??(???? ??)

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5. Test of Vergence Function

• ?? ?????? ?? ??????

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5. Test of Vergence Function

• ?? ?????? ?? ??????

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6. Test of Accommodative Function

• Test of Accommodative Function
• 1. Amplitude of Acc(???????)
• ???? ?? ??? ??? ??? ??
• 2. Acc Facility(??????)
• ???? ????? ?? ???? ? ????
• 3. Lag of Acc(??????)
• ?????? ?? ?? ???? ?? ?. ??? ?
• 4. Relative Acc(??????)
• ??? ???? ??? ???? ????? ??
• ??? ??

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6. Test of Accommodative Function
1. ???????? (cross cylinder)
2. ???????? (cross cylinder)
3. ???????
4. ??????
???
???
???
???
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6. Test of Accommodative Function
1. ????????(????????)
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6. Test of Accommodative Function
2. ????????(????????)
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6. Test of Accommodative Function
3. ???????(minus lens to blur)
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6. Test of Accommodative Function
4. ??????