{"id":565,"date":"2014-02-17T12:19:49","date_gmt":"2014-02-17T12:19:49","guid":{"rendered":"http:\/\/sites.cardiff.ac.uk\/ukcxl\/?page_id=565"},"modified":"2021-03-11T15:08:57","modified_gmt":"2021-03-11T15:08:57","slug":"patient-selection","status":"publish","type":"page","link":"http:\/\/sites.cardiff.ac.uk\/ukcxl\/patient-selection\/","title":{"rendered":"PATIENT SELECTION"},"content":{"rendered":"<p style=\"text-align: justify\">Standard, epithelium-off riboflavin\/UVA corneal cross-linking is usually <strong>not<\/strong>\u00a0recommended when patients have:<\/p>\n<ul>\n<li style=\"text-align: justify\"><span style=\"color: #0000ff\"><strong>A corneal thickness of less than &lt;400 \u00b5m<\/strong>\u00a0<\/span>(due to the risk of endothelial damage). However, alternative procedures, such as, trans-epithelial corneal cross-linking or the use of a hypotonic riboflavin solution (to swell the cornea prior to cross-linking) may be used to treat very thin corneas.<\/li>\n<\/ul>\n<ul>\n<li style=\"text-align: justify\"><span style=\"color: #0000ff\"><strong>A history of incisional refractive surgery<\/strong><\/span>\u00a0such as radial keratotomy or astigmatic keratotomy (because it may cause keratotomy incisions to rupture).<\/li>\n<\/ul>\n<ul>\n<li style=\"text-align: justify\"><span style=\"color: #0000ff\"><strong>Central corneal opacities and associated poor best-corrected visual acuity<\/strong><span style=\"color: #808080\">.<\/span><\/span><\/li>\n<\/ul>\n<ul>\n<li style=\"text-align: justify\"><span style=\"color: #0000ff\"><strong>Severe dry eye<\/strong><\/span>\u00a0(because it may hinder reepithelialisation and thereby increase the risk of post-surgery infection).<\/li>\n<\/ul>\n<ul>\n<li style=\"text-align: justify\"><span style=\"color: #0000ff\"><strong>Herpes simplex keratitis<\/strong><\/span>\u00a0(as corneal melting can occur).<\/li>\n<\/ul>\n<ul>\n<li style=\"text-align: justify\"><span style=\"color: #0000ff\"><strong>Severe keratoconus<\/strong><\/span> (with a preoperative keratometry reading of &gt;58 D \u2013 as this presents a greater risk of continued keratoconus progression and permanent post-operative stromal haze).<\/li>\n<\/ul>\n<ul>\n<li style=\"text-align: justify\"><strong><span style=\"color: #0000ff\">Systemic collagen diseases and\/or are pregnant or nursing mothers<\/span>\u00a0<\/strong>(because insufficient investigations into the safety of the treatment in these populations has been carried out).<\/li>\n<\/ul>\n<ul>\n<li style=\"text-align: justify\"><span style=\"color: #0000ff\"><strong>A preoperative CDVA of better than 20\/25 and are over the age of 35 years old<\/strong><\/span><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Standard, epithelium-off riboflavin\/UVA corneal cross-linking is usually not\u00a0recommended when patients have: A corneal thickness of less than &lt;400 \u00b5m\u00a0(due to the risk of endothelial damage). However, alternative procedures, such as, trans-epithelial corneal cross-linking or the use of a hypotonic riboflavin solution (to swell the cornea prior to cross-linking) may be used to treat very thin [&hellip;]<\/p>\n","protected":false},"author":979,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-565","page","type-page","status-publish","hentry"],"jetpack_shortlink":"https:\/\/wp.me\/P3RmFt-97","jetpack_sharing_enabled":true,"meta_box":[],"_links":{"self":[{"href":"http:\/\/sites.cardiff.ac.uk\/ukcxl\/wp-json\/wp\/v2\/pages\/565","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/sites.cardiff.ac.uk\/ukcxl\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/sites.cardiff.ac.uk\/ukcxl\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/sites.cardiff.ac.uk\/ukcxl\/wp-json\/wp\/v2\/users\/979"}],"replies":[{"embeddable":true,"href":"http:\/\/sites.cardiff.ac.uk\/ukcxl\/wp-json\/wp\/v2\/comments?post=565"}],"version-history":[{"count":3,"href":"http:\/\/sites.cardiff.ac.uk\/ukcxl\/wp-json\/wp\/v2\/pages\/565\/revisions"}],"predecessor-version":[{"id":1591,"href":"http:\/\/sites.cardiff.ac.uk\/ukcxl\/wp-json\/wp\/v2\/pages\/565\/revisions\/1591"}],"wp:attachment":[{"href":"http:\/\/sites.cardiff.ac.uk\/ukcxl\/wp-json\/wp\/v2\/media?parent=565"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}