Imaging & Diagnosis

Detailed analyzes performed prior to eye surgery play a role in determining whether the patient is suitable for surgery. It is possible to determine the preoperative status by these operations.

Optical coherence tomography (OCT) is a non-invasive imaging test. OCT uses light waves to take cross-section pictures of your retina.

With OCT, your ophthalmologist can see each of the retina’s distinctive layers.  This allows your ophthalmologist to map and measure their thickness. These measurements help with diagnosis. They also provide treatment guidance for glaucoma and diseases of the retina. These retinal diseases include age-related macular degeneration (AMD) and diabetic eye disease.

Heidelberg Retinal Tomography is a diagnostic procedure used for precise observation and documentation of the optic nerve head, essential for the diagnosis and management of glaucoma. The HRT uses a special laser to take 3-dimensional photographs of the optic nerve and surrounding retina. This laser, which will not harm the eye, is focused on the surface of the optic nerve and captures the image.

The HRT takes images of deeper and deeper layers until the desired depth has been reached. Finally, the instrument takes all these pictures of the layers and puts them together to form a 3D image of the entire optic nerve.

Diagnostic methods used when the eye can not be examined because of fundus, cataract and similar obstacles.

FFA  is used in the diagnosis of diabetes mellitus associated with diabetes, age-related macular degeneration (yellow spot disease), retinal vascular occlusions, intraocular tumors and many other diseases.

After the pupil is amplified by dripping, sodium fluorescein is injected through the arm vein, and a special camera acquires images of the eye.

Mild allergic reactions due to the dye used during FFA may occur. After FFA, there is a yellow-orange staining in the skin and mouth and this condition is recovered within 6 hours. Urine is painted with orange color and is recovered in 24 hours.

ICG is used to acquire an angiogram of the choroid. The choroid is the layer of blood vessels and connective tissue between the sclera (white of the eye) and retina. It supplies nutrients to the inner parts of the eye.

A procedure similar to fluorescein angiography, but ICG angiography uses Indocyanine Green dye, which fluoresces in the infra-red (non-visible) light. The infra-red wavelenths have the ability to penetrate the retinal layers making the circulation in deeper layers visible when photographed with an infra-red sensitive camera.

It is an ultrasonic eye measurement made before the cataract surgery.The anterior-posterior length of the eyeball is determined and the optical system details of the examined eye are obtained by adding the corneal tilt as a data.Biometry allows us to learn the number of the lens (dioptre) to be placed in the eye during cataract surgery.

The measurement of the thickness of the transparent layer (cornea) in front of the eye.Today, pachymetry is performed by computer systems without any device / instrument interaction and the measurement process is completed in a short time.

It is expected that the center thickness of the normal cornea is about 550 microns.

A measurement called perimetry is a measurement made without any contact with the eye.It is frequently used to diagnose brain diseases affecting the eye nerve.

The test takes about 20 minutes per eye.

In a dark environment, the patient is shown with weak light flashes.The location of the light flashes constantly changes and the brightness of the light is sometimes so obvious, sometimes so awful that it will be hard to notice.The patient constantly and steadily gazes at the opposite spot and pushes the button every time he sees these light flashes without moving his eye in any direction.

Corneal surface rash analysis.

Provides anterior chamber depth measurement before application.of the phakic intraocular lens with high myopia and hypermetropia.

Any structural difference between the cornea, the eye, and the intraocular lens causes  aberrations with the light beam entering the eye.

Wavefront technology provides analysis of these aberrations.

For this, the deviations of the beam of light sent to the eye are measured at the thousands of reference points in the eye.

It is a pupil diameter measurement in bright, dim and dark environment.

During the test, the brightness of the beam sent to the eye is set by the computer.

In the light, pupil diameter is measured photopic, dim light is mesopic, and darkness is scotopic.

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