Extrusion of Femtosecond Laser-Implanted Intrastromal Corneal Ring Segments in Keratoconic Eyes: Prevalence, Risk Factors, and Clinical Outcomes

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left"> </td><td class="align_center">Prering extrusion</td><td class="align_center">Postring extrusion</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">UCVA (logMar)</td><td class="align_center">0.8</td><td class="align_center">1.0</td></tr><tr><td class="align_left">BSCVA (logMar)</td><td class="align_center">0.4</td><td class="align_center">0.8</td></tr><tr><td class="align_left">Thinnest CT (<i>μ</i>m)</td><td class="align_center">404</td><td class="align_center">401</td></tr><tr><td class="align_left">Max <i>K</i> (D)</td><td class="align_center">56</td><td class="align_center">61</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td><div>UCVA, uncorrected visual acuity; BSCVA, best spectacle corrected visual acuity; CT, corneal thickness; <i>K</i>, keratometry.<br/></div></td></tr></table>

<div>Refractive changes after extrusion.</div>

Journal of Ophthalmology

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Table 2

Table 2: Extrusion of Femtosecond Laser-Implanted Intrastromal Corneal Ring Segments in Keratoconic Eyes: Prevalence, Risk Factors, and Clinical Outcomes 

Table 2 | Extrusion of Femtosecond Laser-Implanted Intrastromal Corneal Ring Segments in Keratoconic Eyes: Prevalence, Risk Factors, and Clinical Outcomes 