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Laser eye surgery glossary
I
Idiopathic
Naturally occurring. Further reading
In Situ
A Latin term meaning "in place" or not removed. Further reading
Informed Consent Form
A document disclosing the risks, benefits, and alternatives to a procedure. Ultralase will supply you with a copy of this prior to your laser eye surgery consultation, and you will be required to sign it before we can treat you.
INTACS
Intrastromal Corneal Ring Segments used to treat kerataconus. An alternative laser eye surgery using two ring shaped implants, surgically inserted into the cornea. This has a flattening effect on the cornea caused by kerataconus and is potentially reversable. Further reading
Intralase
LASIK laser eye surgery procedure where the flap is created by an Intralase laser and not with a microkeratome (surgical blade) as in standard LASIK. It eliminates the blade and associated flap complications.
Intra-ocular lens (IOL)
Intra-ocular lens eye surgery is used to treat severe cases of hyperopia, astigmatism and myopia. This procedure involves inserting an implant called an intra-ocular lens into the eyes. Further reading
Intra-ocular pressure
The pressure the fluid contained within the eye exerts on the globe. Further reading
Iris
The coloured ring of tissue behind the cornea and immediately in front of the lens. The Iris expands and contracts to alter the amount of light entering the eye. Further reading
Iris recognition
Like your fingerprints, no two irises are the same and this can be used to provide a unique identification. The Zyoptix z100 system can scan your irises during the Zywave measurement and maps the entire iris, generating a unique digital Zy-ID for each eye. This map of the iris forms the foundation from which the Multi-Dimensional Eyetracker operates. The Zy-ID is the unique digital file that contains the patient's laser eye treatment information, including the map of the Iris. Further reading
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