Lasik Eye Surgery
By : dr cok istri Dewiyani SpM{K} Introduction
LASIK : Laser-Assisted In-Situ Keratomileusis Form of Refractive Surgery Reduces/Eliminates need for eyeglasses & corrective lenses Corrects: -Myopia -Hyperopia -Astigmatsim Brief History
1950’s – Columbian Jose Barraquer developed Microkeratome & keratomileusis techniques and discovered root causes for eye trauma 1970’s – Russian Svyatoslav Fyodorov developed Radial Keratotomy (and posterior chamber implantable contact lenses in 1980) 1970’s – Development of Excimer Laser (origin of LASEK laser) 1982 – 3 Members of the IBM research team discovered the laser could be used to remove biological tissue without heat damage to surrounding tissue 1987 – Dr. Steven Trokel performed the 1st laser surgery on a patients eye 1996 – Lasik Eye Surgery cecame officially approved by the U.S. government Procedure Procedure Examples of Correction Results
The surgery is typically done within 30 minutes or less -quick & painless Most people achieve 20/20 vision (or even better) afterwards (90% reach desired vision after LASIK) May still need glasses/contact lenses, but prescription is much lower than before A small percentage of people have an enhancement (minor touch up) surgery later for further improved vision Risks/Limitations
Risks of Lasik Eye Surgery Limitations of Lasik Eye Surgery
Undercorrection Results may not be permanent Overcorrection May still need glasses/contacts Astigmatism Effects non-reversible Glare, Halos, & Double Vision 2-3 months for full recovery Dry Eyes Average cost $2000 per eye Flap Problems Can not be done for all eye types Other Surgeries
Photorefractive keratectomy (PKR) LASEK Eye Surgery Phakic intraocular lenses (Phakic IOL) Future
Improvements in acuity of laser More accurate calibration techniques/equipment to avoid too much or too little tissue removal Faster Recovery Rate Lower Price The ability to undergo surgery at a younger age Works Cited
Boxer Wachler, Brian S. "The LASIK Procedure: A Complete Guide." All About Vision. N.p., Nov. 2012. Web. 18 Nov. 2012.