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Corneal Ring

CORNEAL RING;

Corneal implantations were first used in the 1950s and their field of usage continued to develop up to now.

RESULTS;

It is used to flatten the surface of the cornea, abberations are eliminated and quality of vision improves.
It flattens where it is placed.
It is used especially in cases of Keratoconus. It re-centers deviated corneal peak back to the centre.
It also responds well to high astigmatism.

A decrease in corneal diopter is experienced in correlation with the thickness of the corneal ring placed.

It fixes corneal irregularities.

Eye-glasses or contact lenses might be needed after the ring is placed; however, the patient will experience a better vision.

Also, if the patient still has faulty refraction, Fakik-IOL can be applied.

The ring can always be removed. The cornea heals with no marks after the ring is removed.

RINGS WE USE;

INTACS
INTACS Sk
KERARING/FERRARA RING

PATIENT PREPARATION;

• Regular biomicroscobical examination
• Vision examinations with / without eye drops
• Vision examination with / without eye-glasses
• Corneal thickness-Pacimetrical values
• Topography-Orbscan-Pentacam measurements and evaluations
• Fundus-Retina Examination

SURGERY;

-Mechanical method -with IntralaseFemtosecond Laser

Mechanical method; preparation of corneal pockets for the ring to be placed with calculated diamond knives and placement of the rings in these tunnels,

However, we abandoned this method after we began to use intralase laser

Creating pockets using Intralase Femtosecond laser is more advantageous compared to other method; because of

• Shorter time
• Less trauma
• Less pain, inflammation and infection
• Regular incision
• Less pressure
• Better centralization and symmetry
• More effective method

Creation of surgical channels with INTRALASE is possible with computer controlled depth, diameter, and thickness values

It can be customized.

HOW IS THE SURGERY PERFORMED?

It is performed under local anesthesia,
Desired values are entered into IntralaseFemtosecond laser
Opening tunnels lasts about 1 minute,
After the tunnels are opened, previously determined rings are placed in these tunnels and this procedure lasts about 2 to 3 minutes.
The patient is given antibiotic drops and leaves,
He/she will need to use drops for 15 days.

POST-SURGERY COMPLICATIONS;

Although very rare, the ring might move in the tunnel, change location or come out. This problem can easily be solved by keeping the ring away from the scar.

FREQUENTLY ASKED QUESTIONS ABOUT THE RING;

• Can the Ring stop Keratoconus?
It will not, but because it corrects corneal asymmetry and irregularity, it provides a better vision.
• Can glasses or contact lenses be used after the ring?
They can be used if there is faulty refraction.
• Can CrossLink procedure be applied to corneas with ring transplants?
Yes, it can be. There are cases where we have applied both procedures in one session.