The location of the
upper limb of the incision (purple line) is determined by the amount of excess skin
that is planned for removal. With the patient upright and her face in
repose, I gently tease and pull on the skin with a forceps, and determine
how much skin can safely be removed. I don't want to remove so much skin that
the patient can't close her eyes after surgery, but I want to make as much
improvement as I can.
Also, we don't want to approach the eyebrows too closely with our skin excision: we don't
want the green line in the diagram, the distance from the upper limb of the incision to the
eyebrow, to be too small. Look at the picture below. After healing
is complete, that green line length will be the distance from the upper eyelid
crease to the bottom of the eyebrow. Young-appearing eyes have a
substantial distance between the crease and the eyebrow, so we must respect that
distance.
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