{"id":1820,"date":"2007-11-01T20:50:00","date_gmt":"2007-11-01T20:50:00","guid":{"rendered":"https:\/\/www.codetvision.com\/es\/?p=1820"},"modified":"2025-12-11T00:08:46","modified_gmt":"2025-12-11T00:08:46","slug":"topographically-guided-lasik-for-myopia-using-the-nidek-cxii-customized-aspheric-treatment-zone-catz","status":"publish","type":"post","link":"https:\/\/www.codetvision.com\/es\/2007\/11\/01\/topographically-guided-lasik-for-myopia-using-the-nidek-cxii-customized-aspheric-treatment-zone-catz\/","title":{"rendered":"Topographically guided LASIK for myopia using the Nidek CXII customized aspheric treatment zone (CATz)"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\" id=\"h-purpose\">PURPOSE:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">To assess the efficacy, predictability, and safety of topography-guided laser in situ keratomileusis (LASIK) for the surgical correction of low to moderate myopia with astigmatism using the Nidek CXIII excimer laser equipped with the customized aspheric treatment zone (CATz) algorithm.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-methods\">METHODS:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">In a multicenter US Food and Drug Administration study of topography-guided LASIK, 4 centers enrolled 135 eyes with manifest refraction sphere that ranged from -0.50 to -7.00 D (mean, -3.57 +\/- 1.45) with up to -4.00 D of astigmatism (mean, -1.02 +\/- 0.64 D). The intended outcome was plano in all eyes. Refractive outcomes and higher-order aberrations were analyzed preoperatively and postoperatively. Patient satisfaction was assessed using both the validated Refractive Status and Vision Profile (RSVP) questionnaire and a questionnaire designed for this study. Six-month postoperative outcomes are reported here.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-results\">RESULTS:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">By 6 months postoperatively, the manifest refraction spherical equivalent (MRSE) for all eyes was -0.09 +\/- 0.31 D. Six months postoperatively, 116 of 131 eyes (88.55%) had an uncorrected visual acuity of 20\/20 or better, and 122 of 131 eyes (93.13%) had a MRSE within +\/-0.50 D. Distance best spectacle-corrected visual acuity (BSCVA) increased by 2 or more lines in 21 of 131 eyes (19.01%), and no eyes lost 2 lines or more of BSCVA. The total ocular higher-order aberrations root-mean-square increased by 0.04 microm postoperatively. Patients reported significantly fewer night driving and glare and halo symptoms postoperatively than preoperatively.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-conclusions\">CONCLUSIONS:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nidek CXIII CATz treatment of myopia with astigmatism is safe, efficacious, and predictable, and it reduces patient symptoms associated with night driving and glare and halo symptoms.<\/p>\n\n\n\n<div  class=\" b-buttons\" >\n\t\t\t<a  class=\"b-buttons__button a-btn a-btn--has-icon-after icon-arrow-right\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/18427614\/\">\n\tLeer art\u00edculo<\/a>\n\t<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>George Waring, Paul J Dougherty, Arturo Chayet, Jeffery Fischer, Barbara Fant, Gary Stevens, Harkaran S Bains.<\/p>\n","protected":false},"author":2,"featured_media":2804,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[141,57],"tags":[],"class_list":["post-1820","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lasik-sin-cuchilla-o-prk","category-publicaciones-cientificas"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.3 (Yoast SEO v28.3) - 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