Lasik Surgery Procedure - All-laser Vs. Microkeratome

Lasik surgery is an advanced eye surgerycan only cut around 100 or 200 microns. An
designed to help people to get a better vision.obvious drawback of this is the huge amount of
Although the rationale of the surgery is the samecornea that was wasted. With the IntraLase
for all practitioners, the equipments used tosystem, it is now possible to cut off a flap as thin
perform the surgery may vary from surgeons toas 100 microns without any unnecessary waste
surgeons. Indeed, the terminology used alsoand this is because of the consistency, reliability
differs from doctors to doctors. For someand safety of the system.
surgeons Lasik is an “all-laser” surgeryThe ability to follow the cornea’s shape is
whereas for others they used a microkeratome,another noticeable advantage of the IntraLase
a surgical knife.system. Indeed this alleviates the creation of flaps
Latest breakthroughswith more accurate vertical edges instead of the
At first, the IntraLase system was created tothin and sometimes incorrect edges created by
increase the reliability and the safety of the Lasikthe microkeratomes. These heavy edges are less
surgery. This can be explained by the fact thelikely to rip apart. These also reduce the possibility
IntraLase system makes use of the laser energyto find cells growing directly underneath the flap
to remove the thin flap in the eye’s corneaand pushing it up. This phenomenon could have
instead of the microkeratome. Thecreated a distorted surface of the cornea. With
microkeratome is just a knife which is designedthe IntraLase system, it is very unlikely to find
not to use this advanced technology.these issues. It is also impossible to get an eye
After the removal of the flap, the energy of theinfection because of the sterility of the IntraLase
excimer laser is used to reshape the cornea. Thissystem.
process aims at building a sharper corner. HavingPossible Complications of IntraLase
completed the process, the flap is restored andLike every system, the IntraLase is also prone to
now acts as a natural “bandage” duringcomplications even if it was reported that these
the healing process.complications were less noticeable than those
Advantages of Intralaseassociated with microkeratomes. Unfortunately,
Although problems during Lasik surgery aresome surgeons found that patients undergoing
scarcely reported, sometimes things goLasik surgery with the IntraLase system may
completely wrong especially with the fluctuation ofhave a further complication consisting of an
the blade of microkeratomes. Indeed the metalunusual sensitivity to light. Some reports even
part of the blade can bring about distorted edgesclaim that this anomaly was found in 1-20%
on the flap. This of course can only lead toIntraLase patients and it was also found that only
distorted surfaces on the cornea which in turnone surgeon found a single case of 20%.
leads to anomalies such as astigmatism.The good news is that many practitioners have
The same metal part of the blade ofalso claimed that this anomaly is absolutely
microkeratomes also responsible of malformationtemporal. That is it lasts only for a short amount
and incomplete flaps leading to distorted vision.of time. This anomaly was cured by eye drops
This anomaly can be easily be avoided byduring a couple of weeks.
IntraLase system.Practitioners using the IntraLase system claim
The IntraLase system builds flaps with the energythat side effects of the IntraLase system are
of laser by introducing an adequate pattern oftemporal whereas the anomalies bring about by
several small overlapping spaces. This pattern isthe microkeratomes are more serious and may
created underneath the cornea. The laser of thelast longer.
IntraLase system can work at a very highAn overview of the cost of IntraLase
frequency in the order of quadrillionth hertz. WithBecause the IntraLase system is safer and more
this it is now easier to locate the tissue andreliable than microkeratomes, there is an
reduced it at the molecular level instead of usingoverhead in the costs associated with the
the heat or looking for surrounding tissues.IntraLase system. According to a report, it is
Another benefit of the IntraLase system is thebelieved that using IntraLase increases 300 dollars
possibility for people with thin corneas to undergoper eye. Patients are asked to choose between
the Lasik surgery. Recall that the thinness of theIntraLase and microkeratomes. However, it should
cornea was a criterion for the surgery. Indeedbe noted that some practitioners only offer
people with a cornea whose length is over 5OOIntraLase and automatically include the overhead
microns were not allowed to undergo the surgery.in the fee.
This was a limitation of microkeratomes which