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21, August 2018

LASIK Refractive Surgery

LASIK Eye Surgery involves firstly creating a thin corneal flap using the Intralase Femtosecond laser. This Femtosecond laser has been used in over 4 million European patients to date. The corneal flap of tissue is then lifted to allow the Excimer laser to reshape the corneal tissue and correct the eyes focus.

LASIK Refractive surgery is suitable in over 90% of patients with a stable refraction, and who are over the age of 21 years. We use the latest model Wavelight Excimer 550 laser, which has the world’s fastest eye tracker and tissue saving capability.

Femtosecond flap creation and Excimer laser treatment takes about 15 minutes per eye. Wavelight Excimer LASIK delivers excellent visual acuity with quality of vision, in the fastest time.

How is LASIK Surgery Performed ?

The surgery is performed under topical local anaesthetic eye drops with a pre-operative oral sedative tablet (10mg temazepam). The creation of the corneal flap is with the Intralase Femtosecond laser delivering micro-pulses through a glass cone resting upon the eye. 

Beneath the surface of the eye a thin tissue flap is created in about 10-18 seconds. There are no mechanical blades used in this surgery. The flap is then lifted and the second Excimer laser is then used to reshape the cornea to within a few thousands of a millimeter !

The Excimer laser has a tracking device with the ability to follow eye movements up to 200 times per second; ensuring accurate delivery of treatment.  Once locked onto the eye’s pupil and treatment is over in 3 to 8 seconds. The flap is finally repositioned and stabilized.

Are your eyes suitable for laser surgery?

dr fred nagle in perthLASIK Refractive surgery is suitable in 90% of patients with stable refractive errors, who are over the age of 21 years. Patients who no longer have reading vision, Presbyopia, may also benefit from LASIK surgery to gain a degree of mono-vision.

Patients who have already had cataract surgery and are still wearing glasses can also benefit from LASIK correction of residual refractive errors. The Excimer 500 has a wide range of parameters treating High Myopia, Astigmatism and Hypermetropia.

At your consultation a comprehensive ocular examination is necessary to ensure patients are suitable for laser surgery.

25 Years of History

Professor Ioannis Pallikaris, in 1986, coined the term, “laser in situ keratomileusis (LASIK) for Eye Surgery that involves the creation of a thin corneal flap and by using the Excimer laser, reshapes the corneal tissue under the flap to correct the eyes refraction.

LASIK surgery has overcome the issues of pain and delayed healing associated with corneal surface laser, known as PRK. Because LASIK allows for rapid recovery, a prospective randomized trial has found in favor of same-session bilateral surgery.

Our “all-laser LASIK” technique uses the FEMTOSECOND laser to create a thin tissue flap without any blades. Over 4 million patients in Europe have had successful “all-laser LASIK”.

Patient selection by Comprehensive Assessment

The major complications from LASIK surgery can be eliminated if detection of unstable eye tissue is made. These patients are best excluded from LASIK treatment. This process of patient selection is through a comprehensive examination of you and your eyes. This may require more than one examination if you have been using Contact Lenses.