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Aberrometry\u00a0 is used to profile the eye in a three-dimensional map.\r\nSurgeons can then remove tissue eg by excimer laser ( Current treatment parameters: Myopia 0.50 diopters to 12.00 diopters\r\nHyperopia 0.50 diopters to 6.00 diopters\r\nAstigmatism 0.50 diopters to 6.00 diopters )<\/div>\r\n

or adjusting the curvature to compensate)<\/div>\r\n

The Excimer laser utilizes a 193 nm argon-fluoride beam to reshape the anterior corneal stroma by breaking collagen bonds and expelling or ablating corneal tissue with each laser pulse. It is termed a \"cold\" laser because the collagen bonds are broken without damaging adjacent cells.<\/div>\r\n

<\/div>\r\n

Femtosecond Laser is a High-frequency laser sweeping back and forth (raster) pattern creates a horizontal, then vertical cleavage plane to create the flap.<\/div>\r\n

\r\nAstigmatic Keratotomy (AK) Incisional surgical procedure used to correct corneal astigmatism.<\/div>\r\n

Automated Lamellar Keratoplasty (ALK) Tissue is removed under a corneal flap<\/div>\r\n

Conductive Keratoplasty (CK) is\u00a0 a non-ablative, collagen-shrinking procedure for the treatment of mild and moderate hyperopia.<\/div>\r\n

Epi-LASIK\u00a0 separates an epithelial sheet without a flap<\/div>\r\n

Intrastromal Corneal Ring Segments (ICRS)\r\nA reversible procedure used in the treatment of low amounts of myopia (-1.00 to -3.00 D) by placing rings of polymethylmethacrylate (PMMA) in the midperipheral corneal stroma to flatten the radius of curvature.<\/div>\r\n

Keratomileusis\r\nThe sculpting of the cornea, formerly done with a lathe and blade, now done with an excimer laser.<\/div>\r\n

Keratoplasty is\u00a0 replacement of the cornea. Keratoplasty can be lamellar (replacement of the superficial layers) or penetrating (transplantation or replacement of the full thickness of the cornea).<\/div>\r\n

Keratotomy is a surgical incision of the cornea.<\/div>\r\n

Laser-Assisted In Situ Keratomileusis (LASIK) is a combination of two refractive technologies: Use of a microkeratome, to create a thin flap of tissue (approximately 130 to 180 microns thick) followed by excimer laser ablation to reshape the stromal tissue beneath the flap.<\/div>\r\n

Laser Epithelial Keratomileusis (LASEK) is used to preserve the corneal epithelium. LASEK treats the epithelium with alcohol to loosen and separate it from the stroma and it is then rolled back.<\/div>\r\n

\r\nLaser Thermal Keratoplasty (LTK)\u00a0 uses a Holmium:YAG laser comprised of a slit-lamp delivery system that creates spots around the circumference of the peripheral cornea.<\/div>","link":"https:\/\/peterdarcy.com.au\/tag\/refractive-surgery\/","name":"Refractive surgery","slug":"refractive-surgery","taxonomy":"post_tag","meta":[],"yoast_head":"\nRefractive surgery Archives | Peter D'Arcy Optometrist | Bega<\/title>\n<meta name=\"description\" content=\"Aberrometry is used to profile the eye in a three-dimensional map. Surgeons can then remove tissue eg by excimer laser and new and innovative technologies\" \/>\n<meta name=\"robots\" content=\"noindex, follow\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Refractive surgery Archives\" \/>\n<meta property=\"og:description\" content=\"Aberrometry is used to profile the eye in a three-dimensional map. 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