Posts Tagged ‘PRK’

A Couple Typical Eye Correction Surgeries: Lasik Surgery, IntraLase And Photorefractive Keratectomy (PRK) Eye Surgery

12th July 2010 by Cataracts No Comments

Several typical eyesight correction surgeries include LASIK, IntraLase as well as Photorefractive Keratectomy or PRK surgery.

Lasik Eye Surgery: Lasik is a 2step vision correction procedure which has been extremely successful in the treatment of myopia, hyperopia and astigmatism. The advantages. The treatment of eye lasik surgery is completed under local anaesthesia (eye drops). The initial step in lasik, building the flap, requires around 30 seconds for each eye, while the 2nd phase, reshaping the cornea, will take around 15 seconds. There is no discomfort during eye lasik treatment. Most people love better eyesight, with no glasses, within a few hours after eye lasik treatment. The Procedure: The corneal flap is generated with the microkeratome. The flap is then folded back so that the excimer laser can reshape your cornea. The speed and accuracy with the Allegretto (excimer) Laser permits small amounts of tissue (100 times slimmer compared to a human hair) to be taken off, reshaping the cornea. The flap is next meticulously repositioned where it closes naturally with no stitches needed. Your entire lasik surgery is completed using anaesthetic eye drops and a mild oral sedative.

The IntraLase Laser is the first step in IntraLase laser eye correction and is utilized to produce a flap without the use of a blade. The Benefits: A blade-free method of producing the corneal flap which has replaced the microkeratome (a mechanical device that utilizes a metal blade). Creation of the flap only takes roughly 30 seconds per eye. It’s less dangerous, far more exact and offers superior outcomes.

Photorefractive Keratectomy: Photorefractive Keratectomy (PRK) uses the excimer laser to alter the form of the cornea. PRK is alaser vision correction procedure which does not entail creating a corneal flap. However, it’s going to take more time for the eye to recover and there’s more soreness as compared to with a LASIK procedure.The Issue: Several patients are not ideal for LASIK and demand a different remedy to improve their vision. An extremely thin or inappropriately shaped cornea often means patients are not fit for LASIK . The PRK Procedure: The surface cells of the cornea are removed and the frontal surface on the cornea is reshaped to alter the refractive error. The soft contact lens bandage is positioned on the cornea to aid the healing process. Regeneration of the corneal area often takes 3 to 4 days. As with LASIK, process is done utilizing anaesthetic eye drops and a mild oral sedative.

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