Closing is done following
a line which must merge with the upper palpebral fold. If the scar does
not merge with the fold, the incision has not been done at the proper
level and the subsequent scar will show.
B. Lower
blepharoplasty
Until the late 1980's,
lowerblepharoplasty was automatically done with an incision along and
one millimeter away from the lower eyelid ciliary rim (edge) and
terminating at about one centimeter past the external eye commisure
(corner). After this incision was made, an important area of thin skin,
approximately 2 to 2.5 cm in height was elevated. Following this, an
opening was created in the orbitary septa (the same partitions described
above for the upper lids) allowing the removal of excess fat causing
lower eyelid puffiness and creating very noticeable eyebags on many
people and which make them look tired and in ill health.
The skin was then
stretched to cover the same area it did before its detachment, but since
it had been smoothed out by stretching, it now exceeded the ciliary rim,
so the excess skin was then removed and closing was done along the
initial incision.
This surgical procedure
can be of great help if it is well done. However, if it is not required
or badly performed, it may turn into a surgical catastrophe causing an
eversion (i.e. roll of skin or ectropion), or at least a detachment of
the lower eyelid.
Risks
of ectropion can ensue from:
A weakness
of the orbicular muscle, generally found in people of advanced age.
The
recision of too much skin. Unfortunately, surgeons with little
experience may erroneously evaluate the amount of skin to be removed,
and as a result, later find themselves faced with an ectropic eyelid
(an eyelid presenting an ectropion).
The
nonexistence of cheek bone contours (flat cheek bones). It is strictly
unadvisable to perform lower blepharoplasty in an open manner on people
who have no cheek bone contours.
It is in
these above mentioned cases that blepharoplasty performed through the
conjunctiva may be the only way out.
In fact,
since the late1980's and for 95% of patients, blepharoplasty performed
through the conjunctiva can advantageously and subtly replace
blepharoplasty performed by an external incision, and make eyebags
(sometimes called dark circles by some patients or professional make-up
artists) as well as fatigue and ill health looks disappear while
avoiding subciliary scars, scar retractions, detachment of the skin or
eversion of the lower eyelid rim. Particular precaution must, however,
be exercised since it is performed through the internal part of the
conjunctiva only a few millimetres away from the cornea.
A small
opening is made through the conjunctiva in the lower palpebral fold, the
famous septa are opened and excess fat removed through them. Once the
ensuing oedema has subsided, the eyebag disappears in a spectacular
fashion until, at the end of six months, it completely fades away.