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Retinal Laser Surgery

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Retinal Laser Surgery


Retinal Laser Surgery (Laser Photocoagulation)


Our eyeball consists of: cornea, the foremost
transparent layer of the eyeballs; the anterior chamber located behind the
cornea, in which the aqueous humor is found; the iris and the pupil forming the
rear border of the anterior chamber; the lens located in a capsule in the
posterior chamber; the fluid, called vitreous humor, filling the eye globe in
the posterior chamber; and the optic disc, the optic nerve and the retina at
the rearmost part of the eyeballs. The white part seen from the outside of the
eye is called sclera.

Vitrues body is the clear gel that fills the cavity at
the posterior part of the eyeballs.  The retina is the first layer that
confines the vitreous humor in the eyeball.

The retina hosts photoreceptor cells of the eye and
the layer is located adjacent to the arterial and venous network (choroid
plexus) of the eyeball; the macula – the layer that transmits light signals to
the brain in order to sense the light and create the image-, the foveola, the
optic disc and the optic nerve are located in the retina.

A visual disorder will be indispensable, if damage
occurs in this layer of the eye (the innermost layer at the posterior part of
the eye) that is so important for healthy vision due to various reasons,
including but not limited to aging, trauma, diabetes mellitus, and hypertension
as well as brain tumor.

Laser surgery aims treatment of retinal diseases using
the thermal effect of high-energy beams. Retinal laser surgery is useful and
preferred for retinal tear, bleeding and edema that are not severe enough to
require surgical management.

Following conditions of the retina can be treated with
laser surgery:

Retinal bleeding or leak: If bleeding or leakage develops in
retinal blood vessels secondary to trauma or other diseases, such as diabetes
mellitus and hypertension, the bleeding or leaking area is coagulated by the
thermal effect of the laser.

Retinal edema: Edema is a result of bleeding or
leakage in blood vessels and it can be regressed by laser beams.

Macular edema: It implies swelling of the macula and the treatment principle is
identical to that of the retinal edema.

Macular degeneration: The macula is a part of the retina
and it is responsible for the central vision; age-dependent degenerative
changes may occur in the macula. There are two types of macular degeneration,
namely wet and dry. The thermal effect of the laser is used to destruct the
degenerative areas and to eliminate the vision problem.

Retinal hole or tear: The retina that lines the
innermost wall at the posterior part of the eyeball may be torn or a hole may
develop on this layer secondary to genetic factors, aging, ocular surgery such
as cataract or an eye trauma. The vitreous humor may advance through this hole
or the tear, resulting in complete detachment of the retina. In retinal laser
surgery, thermal energy is used to coagulate the tear or the hole and a scar
tissue is formed in order to stop the progression of the clinical picture.

Retinal detachment: The detachment of the retina is
manifested by various symptoms, such as loss of visual accuracy, blurred
vision, flashes in front of the eye, loss of peripheral visual field, total
loss of the visual field and floaters in one or both eyes. If you recognize
such symptoms, you should see an ophthalmologist to recover visual functions.

The known risk factors of the retinal detachment
include age above 50 years, diabetes mellitus, hypertension and family history
of retinal detachment.

When you see an ophthalmologist due to above mentioned
symptoms, a detailed eye examination will be made. The anterior chamber that
consists of the cornea, the iris, the pupil and the lens is examined.

This stage of the eye examination is followed by
retinal examination by an ophthalmologist who is specialized in retinal
diseases. At this phase, advanced imaging methods, such as fundus fluorescein
angiography, optic coherence tomography and eye ultrasound, can be ordered to
evaluate retinal vessels and retinal topography in detail and to image the eye.
Here, the aim is to determine the location and the severity of the retinal
detachment, if the retinal detachment is diagnosed.

Laser surgery for retinal detachment requires a
reasonable size of the retinal detachment area. The thermal effect of the laser
stitches or somewhat welds the detached layers of the retina to the posterior

Malformation of retinal blood vessels: Abnormal
swelling, tortuous contours and resultant blood leakage in retinal blood
vessels are treated using laser beams.

Why is retinal laser surgery done?

Retinal laser surgery is a treatment option for
retinal diseases, for which surgery is not absolutely indicated. While the
complication rate is usually low for ocular surgery, retinal laser surgery
(photocoagulation) is a far safer method.


The most common complications are cataract, loss of
vision, increased intraocular pressure, recurrence, blurred vision and

Although all possible measures that modern medicine
allows are taken to prevent occurrence of risks, it is no means possible to
warrant that the risks will be completely eliminated.

Our specialists will employ all practices to minimize
the risk of complications and our ophthalmologists will preoperatively inform
you about the risks listed above and all other potential complications.


After it is verified that the surgery does not pose
risk, you will be asked to quit smoking, if you are a smoker, and to stop
taking certain medications that increase risk of bleeding. All other prescribed
and over-the-counter medications, herbal products and supplements will also be
questioned and you will be informed to continue or stop taking them.

You may need to use antibiotic eye drops or tablets
before and after the surgery in order to eliminate the risk of postoperative

It may not be necessary to stop eating and drinking
before the retinal laser surgery. Your doctor will inform you about this issue
depending on your condition.

Moreover, it is reasonable to plan discharge,
post-discharge accommodation and travel at this phase in order to manage postoperative
period better.

Surgery and early postoperative period

Retinal laser surgery is usually a day surgery that is
carried out at outpatient basis. After the skin around your eye is numbed, eye
drops are used to dilate your pupils. The procedure is carried out in an
examination chair that is similar to chairs used for routine eye exams. You
will be alert throughout the procedure, but you will not feel pain.

A special lens will be placed on the cornea in order
to focus the laser beams on the diseased portion of the retina. Meanwhile, your
doctor will be able to see the retina under microscope. The area around the
retinal bleeding, edema, hole, tear and degeneration will be burnt by laser
beams in order to isolate the diseased zone. Next, the retinal lesion will be
coagulated in a controlled manner.

You may see flashes in front of your eye throughout
the procedure.

Treatment of retinal diseases takes about 15 to 30
minutes depending on the condition.

You may feel very mild discomfort after the retinal
laser surgery is completed. Moreover, you will probably see floaters. Your
doctor will take measures for such symptoms, if required, but they will mostly
disappear without a need to treatment.

You should be very careful about physical activity for
one week after the surgery. You should avoid lifting heavy objects and moving
suddenly. Moreover, you will be asked to keep your head elevated to maximum
extent. You can engage in work or school life, provided that you avoid
strenuous activities.

Your doctor may ask you to use antibiotics,
anti-inflammatory tablets and eye drops as a precaution. You should closely
follow all advices of your doctor in order to prevent or minimize postoperative

However, you should contact your doctor, if you feel
severe pain or discomfort in your eye.


Retinal damages are, unfortunately, irreversible, as
retinal cells cannot regenerate.

The major factor that influences postoperative visual
results is the location and the severity of the retinal damage.

It may take some time for preoperative visual
disorders to disappear. Moreover, such problems may not completely disappear.

Since there is risk of recurrence in retinal diseases
and restoration of visual functions takes some time, you should necessarily see
your doctor at pre-scheduled visits. Extra treatments or interventions can be
recommended depending on recovery of your disease and status of your visual

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About Us

Corporate DetailsSince 1992, Medicana Health Group sustains its progression on the way to determine the standards of future healthcare services. Today, Medicana Health Group, which carries on its activities especially in Istanbul and Ankara, constantly provides the most advanced healthcare services in all aspects of health in Konya, Samsun, Sivas and Bursa through its 12 hospitals and 6500 employees on average. Medicana Health Group not only pioneered the development of health tourism in our country, it also became one of the important centers in treatment of international patients in multidisciplinary healthcare. In order to provide sustainable healthcare services, many offices have been established at important locations of the world..

At hospitals of Medicana Health Group; healthcare services, which are fully compatible with the Service Quality Standards of the Ministry of Health and accreditation standards of the Joint Commission International (JCI), are provided in the equal quality with the world’s leading institutions, through its principle based on patient safety and efficient and quality patient care and treatment.

Medicana Health Group, which aims to provide healthcare services to every segment of society at international standards, increases the patient satisfaction with its transparent, reliable and compassionate approach for the patients, and thus, the Group has been regarded as one of the most valuable brands in our country and has received the title of the health institution mostly preferred by the patients, through its quality in healthcare services.

The primary aim of Medicana Health Group is to be a healthcare facility that continuously improves its productivity through its vision “closely following the most advanced and leading infrastructures and developments”. In addition, it aims to follow the development of healthcare services in Turkey and in the world and to adopt the internationally recognized methods and practices and offer these methods and practices to patients.

Medicana International Istanbul (February 20, 2010), Medicana International Ankara (February 27, 2010), Medicana Camlıca (October 27, 2007) and Medicana Bahcelievler (May 22, 2008) are JCI-accredited hospitals, and Medicana Avcılar Hospital is a member of American Society for Quality and Medicana Kadıkoy Hospital (October 2017).

Medicana Health Group is a member of the Association of Private Hospitals and Medical Institutions. It is awarded the status of baby-friendly hospital by UNICEF and the World Health Organization.We wish a healthy, quality and good life.

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