Lasik Surgery-Spectacle Removal Surgery
an acronym for Laser-Assisted in
Situ Keratomileusis, is a form of
refractive laser eye surgery procedure
performed by ophthalmologists intended
for correcting myopia, hyperopia,
and astigmatism. The procedure is
usually a preferred alternative
to photorefractive keratectomy,
PRK, as it requires
less time for full recovery, and
the patient experiences less pain
overall. Many patients choose LASIK
as an alternative to wearing corrective
glasses or contact lenses.
What is LASIK?
LASIK (laser in situ keratomileusis) is
a laser vision correction technique that
uses an excimer laser to reshape the surface
of the cornea to change the focusing power
of the eye.
happens during LASIK?
first step in LASIK involves placing a series
of numbing eye drops in the eye. This makes
LASIK a basically discomfort-free procedure.
Once the eye is numbed, a lid holder is
placed which prevents the eye from blinking.
At this point, the microkeratome, a highly
precise instrument that creates the corneal
flap is placed onto the eye. This is done
with a suction pressure that will feel like
a slight squeeze on the eye. The suction
also causes the vision in the eye to dim.
You won't see anything during this part
of the procedure because the other eye is
covered. The corneal flap is then created,
the suction ring is removed and the vision
returns. Dr. MacRae then moves the flap
out of the way, exposing the inner tissue
of the cornea. The laser, under computer
control, will then be activated for short
intervals, reshaping the cornea. Typically,
actual laser treatment time is less than
one minute. With the cornea now resculpted
to a new power, Dr. MacRae repositions the
flap and carefully smooths it into place.
Within seconds the flap re-adheres without
the need for stitches. Many patients are
concerned with eye movements during treatment.
This is less of a problem than most people
think. Although it will be important for
you to watch a large, blinking red light
during treatment, it is important to minimize
movement. Through the surgical microscope,
Dr. MacRae can see even the most minute
movements that the eye makes. he will stop
the laser if the movement is significant
and reposition the eye. Our Technolas 217z
excimer laser also has an infra-red video
tracking system integrated into it that
will monitor your eye position. The tracker
keeps the treatment centered for small,
natural eye movements and will stop laser
treatment if too much movement is detected.
On the day of surgery
contact lenses at least 24 hours prior
- Remove all make
- Eat a light meal.
- Wear comfortable
- Plan to be at
StrongVision for an hour and a half
- Bring a driver.
to expect after surgery
surgery, plan to:
slightly hazy vision. This is normal
as the flap is swollen.
protective goggles until you come in
the next day to protect the healing
of the flap.
home and rest the balance of the day.
Rest and keeping your eyes closed are
very important factors in the healing
all post operative instructions
Common Symptoms after LASIK
It is common to experience varying degrees
of discomfort beginning 30-90 minutes
following the surgery as the numbing drops
begin to wear off. Many patients describe
this sensation as feeling like sand or
an eyelash is in the eye. It is best to
go home, close both eyes and rest for
the remainder of the day following the
LASIK procedure. You may experience watery
eyes, a runny nose, light sensitivity
and eye redness during the first day following
your surgery. It is common for the small
capillaries in the white of your eye to
bleed slightly because of the suction
ring utilized during the LASIK procedure.
These Subconjunctival Hemorrhages result
in small red areas in the white part of
your eye. They are expected, harmless,
have no effect on your vision and they
will often resolve within one to two weeks.It
is normal for your vision to go in and
out of focus, particularly the first week
following your surgery. Although visual
recovery is slower for some patients,
vision should stabilize substantially
by the second week after the procedure.
Expect your distance vision to clear before
your reading vision. This is normal. However,
if you are over 40, your age will determine
when and if your reading vision will return.
Patients over 45 years of age usually
will need reading glasses, even if a monovision
correction has been chosen. Nearly all
patients have a temporary dry eye after
LASIK. This may persist for several months
following the surgery and is best treated
with frequent artificial tear use. Although
your eyes may not feel dry, regular artificial
tear use is advised. Night
glare, commonly described as halos or
starbursting, is often reported during
the first few weeks following surgery
and is related to the normal post-operative
swelling of your corneas. This gradually
decreases so that it bothers very few
by three months and even fewer by six
of the flap is very rare but is a serious
problem that can arise following the LASIK
procedure. This generally occurs during
the first 24 hours after surgery and causes
pain, redness and blurred vision. It is
important to be evaluated whenever you
feel your eye is not healing appropriately
or you have pain or a sudden change in
Procedure Activities and Restrictions
It is best to keep both eyes closed
and rest as much as possible for the
remainder of the day following your
surgery. Sleep will speed your recovery.
Read and watch TV in moderation for
the first few days.
Showers and baths are fine but try to
keep your eyes closed and avoid getting
water directly in the eye for a few
days. When drying off, pat the outer
eyelid and surrounding areas of your
face gently with a towel. Avoid directly
rubbing or bumping your eye.
Do not go swimming, use a hot tub, spa
or whirlpool for at least 10 days to
reduce the risk of infection.
Resume driving only when advised by
your doctor and when you feel confident
and safe. This generally occurs between
2 and 4 days. However, since your vision
may fluctuate for the first several
weeks, it is important to use good judgment.
Most people can return to work after
1 to 2 days.
Do not wear eye makeup, lotions, cologne
or aftershave for 1 week.
Wear sunglasses for comfort while outdoors.
Avoid dirty and dusty environments for
Most patients can return to their normal
exercise routine after 1 to 2 days.
heavy exertional exercise in the first
week and contact sports in the first
month after surgery.
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