<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>2604-1227</journal-id>
<journal-title><![CDATA[Revista mexicana de oftalmología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. oftalmol]]></abbrev-journal-title>
<issn>2604-1227</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Oftalmología A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2604-12272020000400159</article-id>
<article-id pub-id-type="doi">10.24875/rmo.m20000119</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Factores asociados a mejoría visual a corto plazo tras implantación de segmentos intraestromales en pacientes con queratocono]]></article-title>
<article-title xml:lang="en"><![CDATA[Factors associated with short-term visual improvement after intracorneal ring segments implantation]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Soto-Masías]]></surname>
<given-names><![CDATA[Ernesto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Galvez-Olortegui]]></surname>
<given-names><![CDATA[Tomas]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Galvez-Olortegui]]></surname>
<given-names><![CDATA[Jose]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
<xref ref-type="aff" rid="A a"/>
<xref ref-type="aff" rid="A5 "/>
<xref ref-type="aff" rid="Af6"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Iyo-Alberti]]></surname>
<given-names><![CDATA[Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Delgado-Becerra]]></surname>
<given-names><![CDATA[Gladys]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Oftalmología Dr. Francisco Contreras Campos Servicio de Enfermedades Externas, Córnea y Cirugía Refractiva ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Perú</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Nacional Guillermo Almenara Yrigoyen Departamento de Oftalmología ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Perú</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Scientia Clinical and Epidemiological Research Institute Unidad de Oftalmología Basada en Evidencias (Oftalmoevidencia) ]]></institution>
<addr-line><![CDATA[Trujillo ]]></addr-line>
<country>Perú</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Nacional Santiago Antúnez de Mayolo Vicerrectorado de Investigación ]]></institution>
<addr-line><![CDATA[Huaraz ]]></addr-line>
<country>Perú</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Instituto Nacional de Oftalmología Dirección ejecutiva de Investigación ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Perú</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Scientia Clinical and Epidemiological Research Institute Unidad de Investigación Clínica ]]></institution>
<addr-line><![CDATA[Trujillo ]]></addr-line>
<country>Perú</country>
</aff>
<aff id="Af7">
<institution><![CDATA[,Instituto Nacional de Oftalmología Dr. Francisco Contreras Campos Servicio de Consultorios Generales ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Perú</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2020</year>
</pub-date>
<volume>94</volume>
<numero>4</numero>
<fpage>159</fpage>
<lpage>165</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2604-12272020000400159&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2604-12272020000400159&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2604-12272020000400159&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo: Determinar la asociación entre factores preoperatorios y la mejoría visual a corto plazo después del implante de segmentos intraestromales en pacientes con queratocono, así como conocer sus complicaciones operatorias.  Método: Estudio observacional, analítico de casos y controles. Se incluyeron 110 ojos de 91 pacientes. Los factores preoperatorios estudiados fueron edad, sexo, agudeza visual preoperatoria, refracción, técnica quirúrgica empleada (mecánica o asistida por femtosegundo), paquimetría y grado de queratocono según queratometría. Se formaron dos grupos según la ganancia de líneas de visión sin correctores después de la cirugía de implante de segmentos intraestromales, con ganancia mayor o igual a tres líneas (casos) y ganancia menor a tres líneas (controles).  Resultados: De las variables estudiadas, solo el estado refractivo previo de astigmatismo miópico tuvo una frecuencia mayor estadísticamente significativa (p &lt; 0,05) en el grupo de casos que en el de controles. Aunque en el grupo de casos se encontró mayor número de ojos con queratometrías medias entre 48 y 52 D (grado II de queratocono), este valor no resultó estadísticamente significativo. No hubo asociación entre la técnica operatoria utilizada y el resultado visual postoperatorio. El porcentaje de complicaciones operatorias fue del 1.81%.  Conclusiones: El estado refractivo previo fue el único factor estudiado con una asociación estadísticamente significativa con la agudeza visual sin correctores postoperatoria. La presencia de complicaciones postoperatorias fue baja.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective: To evaluate the correlation between preoperative factors and short-term postoperative visual improvement in patients with keratoconus treated with intracorneal ring segments implantation. Additionally, to determine surgical complications.  Methods: Analytical, observational case-control study. One-hundred and ten eyes of 91 patients were included. The preoperative factors evaluated included age, sex, visual acuity, refractive error, surgical technique (mechanical or femtosecond-assisted), pachymetry and keratoconus grade by keratometry. Two groups were obtained according to the gain of lines of uncorrected visual acuity after intrastromal segment implantation surgery, with a gain of 3 or more lines (cases), and a gain of 3 or less lines (controls).  Results: Only preoperative myopic astigmatism had a statistically significant higher frequency in cases than in controls (p &lt; 0.05). Although there was a greater number of eyes with an average keratometry between 48 - 52 D (Keratoconus stage II) in the cases group, this was not statistically significant. There was no correlation between the preoperative technique used and the postoperative visual result. The percentage of surgical complications was of 1.81%.  Conclusion: The only factor with a statistically significant correlation with uncorrected visual acuity was the previous refractive error. The incidence of postoperative complications was low.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Queratocono]]></kwd>
<kwd lng="es"><![CDATA[Segmentos intraestromales]]></kwd>
<kwd lng="es"><![CDATA[Topografía corneal]]></kwd>
<kwd lng="es"><![CDATA[Ectasia corneal]]></kwd>
<kwd lng="es"><![CDATA[Cirugía de queratocono]]></kwd>
<kwd lng="es"><![CDATA[Terapia de queratocono]]></kwd>
<kwd lng="en"><![CDATA[Keratoconus]]></kwd>
<kwd lng="en"><![CDATA[Intracorneal ring segments]]></kwd>
<kwd lng="en"><![CDATA[Corneal topography]]></kwd>
<kwd lng="en"><![CDATA[Corneal ectasia]]></kwd>
<kwd lng="en"><![CDATA[Keratoconus surgery]]></kwd>
<kwd lng="en"><![CDATA[Keratoconus therapy]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mohammadpour]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Heidari]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Hashemi]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Updates on Managements for Keratoconus]]></article-title>
<source><![CDATA[J Curr Ophthalmol]]></source>
<year>2018</year>
<volume>30</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>110-24</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Israel]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Yousif]]></surname>
<given-names><![CDATA[MO]]></given-names>
</name>
<name>
<surname><![CDATA[Osman]]></surname>
<given-names><![CDATA[NA]]></given-names>
</name>
<name>
<surname><![CDATA[Nashed]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Abdelfattah]]></surname>
<given-names><![CDATA[NS]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Keratoconus correction using a new model of intrastromal corneal ring segments]]></article-title>
<source><![CDATA[J Cataract Refract Surg]]></source>
<year>2016</year>
<volume>42</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>444-54</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Blériot]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Martin]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Lebranchu]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Zimmerman]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Libeau]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Weber]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparison of 12-month anatomic and functional results between Z6 femtosecond laser-assisted and manual trephination in deep anterior lamellar keratoplasty for advanced keratoconus]]></article-title>
<source><![CDATA[J Fr Ophtalmol]]></source>
<year>2017</year>
<volume>40</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>e193-200</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wahba]]></surname>
<given-names><![CDATA[SS]]></given-names>
</name>
<name>
<surname><![CDATA[Roshdy]]></surname>
<given-names><![CDATA[MM]]></given-names>
</name>
<name>
<surname><![CDATA[Fikry]]></surname>
<given-names><![CDATA[RR]]></given-names>
</name>
<name>
<surname><![CDATA[Abdellatif]]></surname>
<given-names><![CDATA[MK]]></given-names>
</name>
<name>
<surname><![CDATA[Abodarahim]]></surname>
<given-names><![CDATA[AM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Topographic Asymmetry Indices:Correlation between Inferior Minus Superior Value and Index of Height Decentration]]></article-title>
<source><![CDATA[J Ophthalmol]]></source>
<year>2018</year>
<volume>2018</volume>
<page-range>1-4</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Shajari]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Jaffary]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
<name>
<surname><![CDATA[Herrmann]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Grunwald]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Steinwender]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Mayer]]></surname>
<given-names><![CDATA[WJ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Early Tomographic Changes in the Eyes of Patients With Keratoconus]]></article-title>
<source><![CDATA[J Refract Surg]]></source>
<year>2018</year>
<volume>34</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>254-9</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arantes]]></surname>
<given-names><![CDATA[JCD]]></given-names>
</name>
<name>
<surname><![CDATA[Coscarelli]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Ferrara]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Araújo]]></surname>
<given-names><![CDATA[LPN]]></given-names>
</name>
<name>
<surname><![CDATA[Ávila]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Torquetti]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Intrastromal Corneal Ring Segments for Astigmatism Correction after Deep Anterior Lamellar Keratoplasty]]></article-title>
<source><![CDATA[J Ophthalmol]]></source>
<year>2017</year>
<volume>2017</volume>
</nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Naderan]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Jahanrad]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Balali]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Histopathologic findings of keratoconus corneas underwent penetrating keratoplasty according to topographic measurements and keratoconus severity]]></article-title>
<source><![CDATA[Int J Ophthalmol]]></source>
<year>2017</year>
<volume>10</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>1640-6</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sedaghat]]></surname>
<given-names><![CDATA[M-R]]></given-names>
</name>
<name>
<surname><![CDATA[Momeni-Moghaddam]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Belin]]></surname>
<given-names><![CDATA[MW]]></given-names>
</name>
<name>
<surname><![CDATA[Zarei-Ghanavati]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Akbarzadeh]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Sabzi]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Changes in the ABCD Keratoconus Grade After Intracorneal Ring Segment Implantation]]></article-title>
<source><![CDATA[Cornea]]></source>
<year>2018</year>
<volume>37</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>1431-7</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lyra]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Ribeiro]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Torquetti]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Ferrara]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Machado]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Lyra]]></surname>
<given-names><![CDATA[JM]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Computational Models for Optimization of the Intrastromal Corneal Ring Choice in Patients With Keratoconus Using Corneal Tomography Data]]></article-title>
<source><![CDATA[J Refract Surg]]></source>
<year>2018</year>
<volume>34</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>547-50</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Utine]]></surname>
<given-names><![CDATA[CA]]></given-names>
</name>
<name>
<surname><![CDATA[Ayhan]]></surname>
<given-names><![CDATA[Z]]></given-names>
</name>
<name>
<surname><![CDATA[Durmaz Engin]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of intracorneal ring segment implantation on corneal asphericity]]></article-title>
<source><![CDATA[Int J Ophthalmol]]></source>
<year>2018</year>
<volume>11</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>1303-7</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Muftuoglu]]></surname>
<given-names><![CDATA[O]]></given-names>
</name>
<name>
<surname><![CDATA[Aydin]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Kilic Muftuoglu]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Persistence of the Cone on the Posterior Corneal Surface Affecting Corneal Aberration Changes After Intracorneal Ring Segment Implantation in Patients With Keratoconus]]></article-title>
<source><![CDATA[Cornea]]></source>
<year>2018</year>
<volume>37</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>347-53</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ferrara]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Torquetti]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Ferrara]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Merayo-Lloves]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Intrastromal corneal ring segments:visual outcomes from a large case series]]></article-title>
<source><![CDATA[Clin Experiment Ophthalmol]]></source>
<year>2012</year>
<volume>40</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>433-9</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zadnik]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Money]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Lindsley]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Intrastromal corneal ring segments for treating keratoconus]]></article-title>
<source><![CDATA[Cochrane Database Syst Rev]]></source>
<year>2019</year>
<volume>14</volume>
<numero>5(5)</numero>
<issue>5(5)</issue>
</nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Patyal]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
<name>
<surname><![CDATA[Arora]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Yadav]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Sharma]]></surname>
<given-names><![CDATA[VK]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Corneal Thickness in Highlanders]]></article-title>
<source><![CDATA[High Alt Med Biol]]></source>
<year>2017</year>
<volume>18</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>56-60</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[HM]]></given-names>
</name>
<name>
<surname><![CDATA[Bai]]></surname>
<given-names><![CDATA[CH]]></given-names>
</name>
<name>
<surname><![CDATA[Liou]]></surname>
<given-names><![CDATA[CM]]></given-names>
</name>
<name>
<surname><![CDATA[Chiou]]></surname>
<given-names><![CDATA[HY]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Central Corneal Thickness of Healthy Lowlanders at High Altitude:A Systematic Review and Meta-Analysis]]></article-title>
<source><![CDATA[Curr Eye Res]]></source>
<year>2018</year>
<volume>43</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>460-5</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Guyot]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Libeau]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Vabres]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Weber]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Lebranchu]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Orignac]]></surname>
<given-names><![CDATA[I]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Refractive outcome and prognostic factors for success of intracorneal ring segment implantation in keratoconus:A retrospective study of 75 eyes]]></article-title>
<source><![CDATA[J Fr Ophtalmol]]></source>
<year>2018</year>
<volume>42</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>118-26</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Peña-García]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[Vega-Estrada]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Barraquer]]></surname>
<given-names><![CDATA[RI]]></given-names>
</name>
<name>
<surname><![CDATA[Burguera-Giménez]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Alio]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Intracorneal ring segment in keratoconus:A model to predict visual changes induced by the surgery]]></article-title>
<source><![CDATA[Investig Ophthalmol Vis Sci]]></source>
<year>2012</year>
<volume>53</volume>
<numero>13</numero>
<issue>13</issue>
<page-range>8447-57</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sedaghat]]></surname>
<given-names><![CDATA[MR]]></given-names>
</name>
<name>
<surname><![CDATA[Momeni-Moghaddam]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Piñero]]></surname>
<given-names><![CDATA[DP]]></given-names>
</name>
<name>
<surname><![CDATA[Akbarzadeh]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Moshirfar]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Bamdad]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Predictors of Successful Outcome following Intrastromal Corneal Ring Segments Implantation]]></article-title>
<source><![CDATA[Curr Eye Res]]></source>
<year>2019</year>
<volume>44</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>707-15</page-range></nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Alfonso]]></surname>
<given-names><![CDATA[JF]]></given-names>
</name>
<name>
<surname><![CDATA[Lisa]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Fernández-Vega]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Madrid-Costa]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
<name>
<surname><![CDATA[Montés-Micó]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Intrastromal corneal ring segment implantation in 219 keratoconic eyes at different stages]]></article-title>
<source><![CDATA[Graefe's Arch Clin Exp Ophthalmol]]></source>
<year>2011</year>
<volume>249</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>1705-12</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Piñero]]></surname>
<given-names><![CDATA[DP]]></given-names>
</name>
<name>
<surname><![CDATA[Alió]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
<name>
<surname><![CDATA[Teus]]></surname>
<given-names><![CDATA[MA]]></given-names>
</name>
<name>
<surname><![CDATA[Barraquer]]></surname>
<given-names><![CDATA[RI]]></given-names>
</name>
<name>
<surname><![CDATA[Michael]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Jiménez]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Modification and refinement of astigmatism in keratoconic eyes with intrastromal corneal ring segments]]></article-title>
<source><![CDATA[J Cataract Refract Surg]]></source>
<year>2010</year>
<volume>36</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>1562-72</page-range></nlm-citation>
</ref>
<ref id="B21">
<label>21</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Amanzadeh]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Elham]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Jafarzadepur]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effects of single-segment Intacs implantation on visual acuity and corneal topographic indices of keratoconus]]></article-title>
<source><![CDATA[J Curr Ophthalmol]]></source>
<year>2017</year>
<volume>29</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>189-93</page-range></nlm-citation>
</ref>
<ref id="B22">
<label>22</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sö&#287;ütlü]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Piñero]]></surname>
<given-names><![CDATA[DP]]></given-names>
</name>
<name>
<surname><![CDATA[Kubaloglu]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Alio]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
<name>
<surname><![CDATA[Cinar]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Elevation Changes of Central Posterior Corneal Surface After Intracorneal Ring Segment Implantation in Keratoconus]]></article-title>
<source><![CDATA[Cornea]]></source>
<year>2012</year>
<volume>31</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>387-95</page-range></nlm-citation>
</ref>
<ref id="B23">
<label>23</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Oatts]]></surname>
<given-names><![CDATA[JT]]></given-names>
</name>
<name>
<surname><![CDATA[Savar]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Hwang]]></surname>
<given-names><![CDATA[DG]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Late extrusion of intrastromal corneal ring segments:A report of two cases]]></article-title>
<source><![CDATA[Am J Ophthalmol Case Reports]]></source>
<year>2017</year>
<volume>8</volume>
<page-range>67-70</page-range></nlm-citation>
</ref>
<ref id="B24">
<label>24</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Piñero]]></surname>
<given-names><![CDATA[DP]]></given-names>
</name>
<name>
<surname><![CDATA[Alio]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Intracorneal ring segments in ectatic corneal disease - a review]]></article-title>
<source><![CDATA[Clin Experiment Ophthalmol]]></source>
<year>2010</year>
<volume>38</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>154-67</page-range></nlm-citation>
</ref>
<ref id="B25">
<label>25</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Flecha-Lescún]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Calvo]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Zurita]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
<name>
<surname><![CDATA[Ariza-Gracia]]></surname>
<given-names><![CDATA[MÁ]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Template-based methodology for the simulation of intracorneal segment ring implantation in human corneas]]></article-title>
<source><![CDATA[Biomech Model Mechanobiol]]></source>
<year>2018</year>
<volume>17</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>923-38</page-range></nlm-citation>
</ref>
<ref id="B26">
<label>26</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mounir]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Radwan]]></surname>
<given-names><![CDATA[G]]></given-names>
</name>
<name>
<surname><![CDATA[Mohamed Farouk]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Mohamed Mostafa]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Femtosecond-assisted intracorneal ring segment complications in keratoconus:from novelty to expertise]]></article-title>
<source><![CDATA[Clin Ophthalmol]]></source>
<year>2018</year>
<volume>12</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>957-64</page-range></nlm-citation>
</ref>
<ref id="B27">
<label>27</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Monteiro]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Alfonso]]></surname>
<given-names><![CDATA[JF]]></given-names>
</name>
<name>
<surname><![CDATA[Franqueira]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
<name>
<surname><![CDATA[Faria-Correia]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
<name>
<surname><![CDATA[Ambrósio]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Madrid-Costa]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Predictability of Tunnel Depth for Intrastromal Corneal Ring Segments Implantation Between Manual and Femtosecond Laser Techniques]]></article-title>
<source><![CDATA[J Refract Surg]]></source>
<year>2018</year>
<volume>34</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>188-94</page-range></nlm-citation>
</ref>
<ref id="B28">
<label>28</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kubaloglu]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Sari]]></surname>
<given-names><![CDATA[ES]]></given-names>
</name>
<name>
<surname><![CDATA[Cinar]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
<name>
<surname><![CDATA[Cingu]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
<name>
<surname><![CDATA[Koytak]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Co&#351;kun]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparison of mechanical and femtosecond laser tunnel creation for intrastromal corneal ring segment implantation in keratoconus:prospective randomized clinical trial]]></article-title>
<source><![CDATA[J Cataract Refract Surg]]></source>
<year>2010</year>
<volume>36</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>1556-61</page-range></nlm-citation>
</ref>
<ref id="B29">
<label>29</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Piñero]]></surname>
<given-names><![CDATA[DP]]></given-names>
</name>
<name>
<surname><![CDATA[Alio]]></surname>
<given-names><![CDATA[JL]]></given-names>
</name>
<name>
<surname><![CDATA[El Kady]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
<name>
<surname><![CDATA[Coskunseven]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
<name>
<surname><![CDATA[Morbelli]]></surname>
<given-names><![CDATA[H]]></given-names>
</name>
<name>
<surname><![CDATA[Uceda-Montanes]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Refractive and Aberrometric Outcomes of Intracorneal Ring Segments for Keratoconus:Mechanical versus Femtosecond-assisted Procedures]]></article-title>
<source><![CDATA[Ophthalmology]]></source>
<year>2009</year>
<volume>116</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>1675-87</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
