1. Observe
-
anisocoria / heterochromia
-
ocular alignment
-
scars on the forehead or lids from previous surgery
2. Measure the palpebral fissure by getting the patient
to look at distance
Note: Some examiner may want you to
do pupil margin reflexes
3. Measure lid creases in both eyes
4. Levator excursion
5. Check for Bell's phenomenon, corneal sensation
6. Others:
-
jaw-winking especially in children
-
ocular movement for third nerve and myasthenia
gravis
-
Cogan's twitch in myasthenia gravis.
In the ptosis examination, you have to show the examiner that you
can :
1. Perform ptosis examination satisfactorily from the surgical
point of view.
You are likely to be asked the type of ptosis
operation that you know of and
its indication.
2. Find out the cause of the ptosis.For this you need to perform other
tests such
as ocular motility and jaw-winking
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