We provide professional support in Ophthalmology.
In ophthalmology clinics of Acıbadem Healthcare Group, each
patient undergoes routine eye exam along with contact lens and eyeglass
procedures.
Following services are available in examination units;
sonography, computer-aided visual field tests, eye angiography and
electrophysiological tests. Specialized services include examinations for
Retinopathy of Prematurity.
Following diagnosis and treatment services are rendered by
Ophthalmology Clinics of Acıbadem Hospitals:
Diagnosis and treatment services are available for glaucoma in
Ophthalmology Clinics of Acıbadem Healthcare Group.
Cataract surgery, phacoemulsification procedure and YAG laser,
if required, are performed in the unit.
Refractive surgery deals with diagnosis and treatment of
diseases that begin in or involve cornea – the outermost layer of the eye.
Following devices are used in the unit: topography devices that measure certain
parameters precisely; corneal thickness measurement device; specular
microscopy; and keratometer that provides data about diameter and refractive
power of cornea.
Excimer laser is used to correct refractive errors in
Ophthalmology Department. Cornea transplant surgery (keratoplasty) is also
performed in the department and patients are recorded on a list; organ
transplant surgery is performed, when an appropriate tissue is found through
donations or other means.
Cosmetic eyelid surgeries are performed at hospitals and medical
centers of Acıbadem Healthcare Group along with drainage surgeries for diseases
of eye tear ducts.
Surgical management of retinal detachment and vitrectomy are
performed in Ophthalmology departments of Acıbadem Healthcare Group. Argon
laser, fundus fluorescein and indocyanine green angiography are available.
Topography devices that measure certain parameters precisely,
corneal thickness measurement device, specular microscopy and keratometer that
provides data about diameter and refractive power of cornea are available.
Excimer laser is used to correct refractive errors in
Ophthalmology Department. Cornea transplant surgery (keratoplasty) is also
performed in the department and patients are recorded on a list; organ
transplant surgery is performed, when an appropriate tissue is found through
donations or other means.
Appropriate contact lenses are selected for each patient and all
patients are educated on correct use of lenses in this department.
Strabismus, also called crossed eyes, implies loss of parallel
alignment in eyes. There are inward and outward misalignments along with upward
and downward ones. Strabismus is broadly classified in two groups; ones secondary
to paralysis of eye muscles and others. If strabismus is not secondary to
paralysis, sub-categories are congenital strabismus and others.
If lazy eye is detected, eyesight should be aided by eyeglasses,
if required. The department prescribes eye patches and orthoptic therapy along
with eyeglasses.
Laser therapy options are also available in Ophthalmology
departments of Acıbadem Healthcare Group.
Light Touch CK (LCK) is an FDA-approved modality that is
performed at hospitals and medical centers of Acıbadem Healthcare Group. LCK
sends radio waves to the marks previously made on eye surface to re-shape
cornea. This treatment improves near vision and the treatment should be
repeated at 1- to 3-year intervals.
Cataract is the loss of transparency in native lens that is
located behind iris – the colored part of eye.
A detailed eye exam is required for diagnosis. Visual acuity is
measured in the examination and native lens is examined, after pupil is dilated
using an eye drop.
Treatment of cataract is surgery; medications or eyeglasses do
not help the condition. Recently, “Phacoemulsification” technique is used for
cataract surgeries.
We use “Phacoemulsification (PHACO)” technique for cataract
surgeries. This technique uses ultrasound energy to emulsify the cloudy lens.
Today, “Femtosecond Laser” is used in combination with PHACO
technique. This procedure is called “Femto-PHACO”.
Eye is numbed with eye drops and a sedative agent is
administered into a vein of arm. Surgery takes approximately 15 to 20 minutes.
First, incisions are made. Next, the cloudy lens is emulsified
and aspirated with PHACO and an artificial lens is placed into eye. If
Femtosecond laser will be used, side incisions are made and lens is softened
with Femtosecond laser.
Capsule may perforate, where the cloudy lens is located, and
pieces of the cloudy lens may fall into eye. In this case, these pieces are
removed in the same session or in a second session.
Postoperative infection of eye (endophthalmia), retinal
detachment, corneal edema (swelling of the transparent layer) and Irvin Gass
Syndrome (macular edema) are potential complications.
Continue using medications and eye drops that you are already
using before the operation. However, you need to inform your ophthalmologist.
Your eye will be examined the next day after surgery. You will
be informed by your doctor about the eye drops that you will use for one month.
Your eye will be re-assessed 1 week after surgery. An eyeglass examination will
be made 1 month after surgery.
If a trifocal lens (a lens that corrects both near and distance
visions), you do not need to wear eyeglasses. However, you will need eyeglasses
for near vision (reading), if a lens is implanted that corrects distance
vision.
Irrespective of the type of lens, it not possible to guarantee
20/20 (perfect) visual acuity. Expectation of a good eyeglass-free vision is 80
to 90 percent.
Certainly. Best visual acuity is expected after surgery, if
other parts of eye are healthy. Perfect eyesight can be achieved with or
without eyeglasses. If an intraocular lens is implanted, expectation of
eyeglass-free vision is 80 to 90 percent.
Laser-aided ocular surgery, type of laser or intraocular lens is
decided in the light of a detailed eye exam by your ophthalmologist. This
examination also involves detailed evaluation of cornea, where many factors are
addressed, such as thickness and morphology of cornea.
Femto LASIK and Excimer LASER are used for laser-aided ocular
surgeries in Ophthalmology Centers of Acıbadem Healthcare Group.
Your surgery is done by our ophthalmologists who are specialized
in laser-aided surgery and intraocular lens.
The outermost part of eye globe is formed by a glass-like
transparent layer (cornea) and the colored part of eye (iris). The cavity
located behind iris that defines the color of eye, also called “vitreous”, is
filled in by a transparent gel.
Retina is a very thin (approximately 0.2 mm) layer that lines
the inner wall of globe, just like wall paper.
Retinal layer consist of millions of nervous cells that receive
the light focused by cornea and lens. The light received by these cells is
converted into a signal that is transmitted from retina to the brain by optic
nerve.
We may speculate that retina, optic nerve and brain are
continuum of each other. When retinal nervous cells are completely damaged and
cannot sense the light, they cannot regenerate. In other words, irreversible
nervous damage causes permanent loss of vision.
Since retinal nervous cells have very high metabolic rate,
vascular supply is very crucial; they are fed by both retinal and extra-retinal
plexus.
Let’s think retinal nervous cells as pixels of a cell phone. The
damaged zone of a mobile cell’s screen looks black and no image can be
identified; this example also applies to the damaged zone of retina – the
visual field becomes pale, blurred or dark black in the damaged part.
Early detection of a retinal damage and timely treatment of
retinal disorders by ophthalmologists who are specialized in retina (eye drops,
intraocular drug injections, laser therapies, photodynamic therapy and
vitreoretinal surgeries) are very important to prevent an irreversible loss.
Yellow point, also called “macula” in medical terminology”, is
formed by approximately 1-mm cells at the central zone of retina, where lights
are focused on. It is the visual acuity center of eye. These cells sense all
details of an image and help us in reading and color vision.
Complete damage of this point results in only five percent of
normal eyesight. The central part of visual field cannot be seen. For example,
when someone looks at face of a friend, he may see her hair, but cannot
recognize the face.
Retinal nervous cells or their feeder vessels may impair. Causes
of these disorders may change by age of the person. Other systemic diseases may
also affect retina and feeder plexus.
The person should test visual acuity of near and distance vision
separately for each eye. Binocular vision may cause late recognition of the
poor vision confined to one eye.
This simple self-examination is made as follows; select an
object or a distance and close one eye in each evaluation to determine visual
acuity of both eyes separately.
If one of the following symptoms is recognized in near or
distance vision, a retinal disease should be suspected and medical attention
should be sought.
Amsler grid is a test that consists of a chart with numerous
small squares that are identical in size; this chart allows self-examination by
closing one eye in each turn.
For the test, the person wears farsightedness or reading
glasses, if any, or looks at the central point that he sees best by his age (no
eyeglass can be worn by myopic patients) and finally, the person checks whether
all squares are properly seen and whether there are dark areas in eyesight.
This test is specific to yellow point diseases and it does not evaluate other
retinal areas.
You should immediately visit an ophthalmologist who is
specialized in retina, if you detect any abnormality in Amsler test or if you
have any one of the above written complaints in self-examination of near and
distance vision separately for each eye.
Since there are numerous disorders of retina, treatment may vary
by the condition and the time since onset of complaints.
We use this treatment option very commonly. It is especially
employed for age-related macular degeneration and edema of the yellow point due
to any reason. Since drug is administered into vitreous, it affects retina
earlier and more efficiently. Intraocular therapeutic effects of these drugs
continue around one month. Repeated treatments may be required.
It is used for many retinal diseases, such as diabetes-related
retinal disorders and vascular occlusions.
The patient is seated on a chair that is similar to the one used
for slit-lamp examination. Eye is numbed with an eye drop. The laser light is
focused on retina using a lens and the patient only hears a sound. No pain or
ache is felt. The procedure usually lasts for 10 to 20 minutes and the patient
can be discharged without an eye patch. Routine activities of daily life can be
resumed on that day. Only blurred vision persists for several hours, as pupil
is dilated before the procedure.
It is similar to laser therapy. Today, it is not very commonly
used, as intraocular drug administration is more effective. For necessary
conditions, an intravenous drug is administered and cold laser is applied. It
is expected to affect the underlying vascular tissue with no damage to retina.
Patients should protect eyes and other exposed areas of body from light for 48
hours after the procedure. The patient is prescribed a protective eyeglass.
Retinal surgeries are performed by ophthalmologists who are
educated on these surgical techniques. An ophthalmologist should specialize on
retinal surgery following standard ophthalmology residency.
The patient is informed by retina ophthalmologist about the
surgery technique and timing of the operation.
They may be required for numerous retinal diseases. Primary
examples include retinal detachment, intraocular hemorrhages, hole of the
yellow point, membrane formation, retraction and resultant edema, retinal
tractions secondary to uncontrolled diabetes and eye traumas.
They are performed in operating theaters under general or local
anesthesia. These techniques are as follows:
It is the most commonly used technique. Vitrectomy is performed
with closed technique, similar to laparoscopic abdominal surgeries. Cannula are
inserted into eye through three points in conjunctiva – the white part of eye –
and the problems that involve vitreous and retina are eliminated, such as
correction of retinal detachment and peeling microscopic membranes that form on
retina, or argon laser is applied, if necessary. The cannula used for
vitrectomy measure approximately 0.5 mm in thickness.
A fluid, air or gas or silicone oil is injected into and left in
eye, when this surgery is completed. The patient is preoperatively informed in
detail. If the patient has cataract that may potentially influence the success
of vitrectomy in technical terms, a cataract surgery can also be performed in
the same session.
It is an extraocular surgery technique. Some conditions may
require combination of this surgery with vitrectomy.
Thin silicone strips (usually 3 to 5 mm thick) are advanced
beneath conjunctiva – the white part of eye – and placed under ocular muscles.
Re-attachment of retina is expected through external compression
of eye. It is combined with either Argon laser or cryotherapy (permanent
attachment is created through freezing the damaged part).
We do not use this technique very commonly. Because an
appropriate case is rarely admitted.
For eyes with retinal detachment that is associated with tear, gas
is injected into eye in the early stage to allow correction of detachment while
the patient rests in an appropriate position. It is followed by argon laser
therapy.
Intraocular gas injection is also used for macular hemorrhages
to remove the accumulated blood.
The patient is preoperatively informed about postoperative
expectations in detail.
Eyesight may vary depending on the underlying cause of disease.
Your doctor will inform you in detail about this issue.
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Acıbadem University is a thematic university in field of health which is founded by Acıbadem Health and Education Foundation in 2007. Reflecting the Acıbadem Culture that is based on quarter-century experience and knowledge in healthcare to higher education, the university aims to educate healthcare professionals, who are qualified and open to continuous improvement, through strong academic staff and sophisticated technologic infrastructure. Students and healthcare professionals are educated in the CASE that is available in research-oriented Acıbadem University and one of the most comprehensive clinical stimulation centers worldwide.
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