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How to
examine a strabismus patient?
History
Take good
history including following points in
consideration
At what age
deviation was first noticed?
Whether it
is contestant or intermittent?
Which eye
usually deviated?
Whether
diplopia is present?
Family
history
Inspection
Inspect for
head tilt, chin up or down and face turn.
Inspect for
fixation OD, OS or OU
Visual Acuity
without glasses
with
glasses
Refraction
-
Cyclopleagic refraction under atropine
1% for children below 6 years
-
Cyclopleagic refraction under
Homatropine 0.5 % or Cycopent 1 % for
children above 6 years
-
Subtract
only working working distance from the
retinoscopy for children below 6 years
for prescription of glasses
Orthoptic
Examination
1. Head
posture
·
Head turn
·
Face turn
·
Chin
2. Ocular
Movements
3. Nystgmus
4. Inter
papillary distance
5. Near
point of convergence
6. Near
point of accommodation
7. Prism Bar
Cover Test (PBCT) with glasses in place
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Distance
-
Near
-
In nine
diagnostic positions
8.
Subjective measurement of deviation for
distance by Maddox Rod with Prism Bar Cover
Test
9.
Subjective measurement of deviation for near
with Maddox Wing
10. State of
Binocular Vision
-
Baggolini Striated Glass Test
-
Worth
Four Dot Test
-
After
Image Test
-
Randots
Sterioacuity
-
Synptophore
11. Fusional
Amplitude
12.
Sterereopsis
13. Diplopia
Charting
14 Hess /
Lee Charting
15. Force
Duction Test
16 Force
Generation Test
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