Answer
Answer 4-9. Ptosis may be due to weakness of the levator palpebrae muscle (or CNIII damage) or due to damage to the sympathetics (due to weakness of the small, superior tarsal muscle).
Answer 4-9. Ptosis may be due to weakness of the levator palpebrae muscle (or CNIII damage) or due to damage to the sympathetics (due to weakness of the small, superior tarsal muscle).