New Technology in
Eye Care
A
virtual explosion in eye care technology has taken place over the
last decade in ophthalmology (the
medical science dealing with the anatomy, functions, and diseases of
the eye) and optometry (examining the eyes for defects in vision and
eye disorders in order to prescribe corrective lenses or other
appropriate treatment).
At St.
John's Clinic-Eye Specialists, we are uniquely positioned to take
advantage of these technologies through our resources and depth of
subspecialty trained ophthalmologists and optometrists. In fact,
many of our providers are on the forefront in development of the new
technologies in use today. Presented here are a few of the
revolutionary technological advancements available at St. John's
Clinic-Eye Specialists.
Cornea
The cornea
is the clear part of eye in front of the iris and pupil. Treatment
of a diseased or damaged cornea is typically done through corneal
grafting or corneal transplants (replacing damaged tissue with
donated tissue). Advances in microscope technology have enabled
surgeons to get a better view of the surgical field during surgery,
while advances in materials science have enabled them to use sutures
finer than a human hair. Each of these advancements has improved the
outcomes of corneal surgery.
Artificial
corneal transplants are a newly emerging treatment option. Some
patients don't respond favorably to donated corneal tissue but have
shown great results working with artificial corneas. St. John's
Clinic has been involved in the research and clinical trials of
artificial corneas.
Another
key player in the success of cornea transplants are eye banks. These
organizations are located throughout the world to coordinate the
distribution of donated corneas to surgeons, as well as providing
eyes for research. Advancements in removal and storage of donated
tissue has allowed for improved outcomes. St. John's Clinic works
with the Heartland Lions Eye Bank and performs the most cornea
transplants in the region.
Exciting
research is also currently being fielded with stem cells to grow
corneal tissue in the laboratory.
Dry Eye
Decreased production of tears from your tear glands
or changes in the composition of the tear fluid can cause dry eye.
Advancements in artificial tears in recent years have provided
relief for many dry eye patients. These new generation artificial
tears have been shown to last longer and provide a more natural
lubrication.
Nutritional supplements have also been effective in
reducing the effects of dry eye. Recent clinical studies have
further refined the composition of supplements to improve
effectiveness.
Temporary or permanent silicone plugs in the tear
ducts is another dry eye treatment option. The plugs help keep tears
in your eye from draining away too quickly. A new type of plug is
now available that is made of acrylic is a small rod that becomes a
soft gel when exposed to your body heat after insertion. It is
designed to accommodate to the size of any tear duct canal.
Advantages of this type of plug are that one size fits all, so
measurement is unnecessary, and nothing protrudes from the tear duct
that could potentially cause irritation.
Another new kind of plug is made of a hydrogel that expands
into a soft, pliable gel in the tear duct. It has no cap, and should
it need to be removed, the eye care practitioner can simply flush it
out with saline solution.
Glaucoma
Glaucoma is the term for optical nerve damage often
resulting from increased pressure in the eye. In years past, one of
the first glaucoma tests was an uncomfortable puff of air into the
eye. Nowadays, this initial test can be done with an
applanation
tonometer. In this test, an eye drop is placed in your eye to numb
it and then the doctor will touch an applanation tonometer to the
front of each eye to manually measure the eye's pressure.
Vision Correction
LASIK
Allegretto Wave Laser
St. John's Clinic-Eye Specialists are on the forefront of LASIK
technology. The industry leading Allegretto Wave laser is the
standard of care for all LASIK patients. Utilizing wavefront-optomized technology, the laser takes into account the
unique curvature of each individual's corneal shape, improving
visual results and reducing nighttime glare.
The Allegretto Wave also tracks eye movement and makes adjustments
200 times per second. Each laser pulse is automatically checked
three times and adjusted if necessary before it is delivered to the
cornea. Each pulse is also non-overlapping increasing accuracy and
safety.
z-LASIK
Z-LASIC is an all laser LASIK procedure performed with the Ziemer
FEMTO LDV Femtosecond Surgical Laser in conjunction with the
Allegretto Wave excimer laser. This all-laser procedure utilizes the
Ziemer laser for creating the flap and the Allegretto Wave laser for
personalized laser vision correction. Used together, some of the
best, most consistent outcomes have been achieved.
Cataracts and Vision Correction
Advancements in cataract surgery have been phenomenal. At one time,
only cataract removal to eliminate vision cloudiness was possible.
Nowadays, a lens replacement can be performed to improve vision
after cataract removal. The ReSTOR artificial lens can address near,
far, and even reading distance. Many recipients report not having to
wear reading glasses after surgery.
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