<?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>S2604-12272019000500246</article-id>
<article-id pub-id-type="doi">10.24875/rmo.m19000084</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Prevalencia de miopía y factores de riesgo asociados en estudiantes de medicina en Monterrey]]></article-title>
<article-title xml:lang="en"><![CDATA[Prevalence of myopia and associated risk factors in medical students in Monterrey]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cavazos-Salias]]></surname>
<given-names><![CDATA[Christian G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Montemayor-Saldaña]]></surname>
<given-names><![CDATA[Natalia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Salum-Rodríguez]]></surname>
<given-names><![CDATA[Lucy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villarreal-Del Moral]]></surname>
<given-names><![CDATA[Juan E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Garza-Leon]]></surname>
<given-names><![CDATA[Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Monterrey División de Ciencias de la Salud Departamento de Ciencias Clínicas]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Dr. Luís Sánchez Bulnes  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>10</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>10</month>
<year>2019</year>
</pub-date>
<volume>93</volume>
<numero>5</numero>
<fpage>246</fpage>
<lpage>253</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2604-12272019000500246&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2604-12272019000500246&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2604-12272019000500246&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Antecedentes y objetivo: La miopía se ha convertido en un problema de salud pública, por lo que es importante conocer su prevalencia en diferentes grupos poblacionales, los estudiantes de medicina son considerados un grupo de riesgo. Nuestro objetivo fue conocer la prevalencia de miopía en los estudiantes de medicina de la Universidad de Monterrey, así como estudiar los factores de riesgo asociados.  Métodos: Estudio prospectivo, transversal y observacional, realizado entre octubre y diciembre de 2016. Se evaluaron 300 estudiantes de medicina. La presencia de error refractivo se evaluó mediante un autoquerato refractómetro, y la presencia de factores de riesgo conocidos de miopía se analizó mediante un cuestionario.  Resultados: 189 alumnos (68.7%) tuvieron miopía en algún ojo y 149 (54.2%), en ambos ojos. De los factores estudiados, solo en dos hubo una diferencia estadísticamente significativa: los pacientes con miopía tuvieron mayor edad que los que no la presentaron (21.60 ± 2.27 vs. 20.77 ± 2.61, respectivamente), con una p = 0.01, además del antecedente de todos los hermanos usuarios de lentes (29.1 vs. 17.4%, respectivamente), con una p = 0.04. Las horas de lectura, el uso de computadora, el tiempo de ejercicio, el sobrepeso/obesidad, el tener padres o algún hermano que utilizan lentes fueron similares en ambos grupos.  Conclusiones: En este grupo de alumnos de medicina, la prevalencia de miopía basada en una refracción sin ciploplegia es más alta que en otros grupos étnicos del continente americano, y los únicos factores de riesgo asociados fueron la edad y el que todos los hermanos utilicen lentes.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Background and Objective: Myopia has become a public health problem, so it is important to know the prevalence of myopia in different populations, like in medical students who are considered a risk group. Our objective was to know the prevalence of myopia in medical students of the University of Monterrey, as well as to study the associated risk factors.  Methods: A prospective, cross-sectional and observational study was conducted between October and December 2016. Three hundred medical students were evaluated regarding the presence of refractive errors through auto-kerato/refractometer measurement and a questionnaire to analyze the presence of known risk factors for myopia.  Results: One hundred eighty-nine students (68.7%) had myopia in one eye, and 149 (54.2%) in both. From the factors evaluated, only two were statistically significant. One was that patients with myopia were older than those without it (21.60 ± 2.27 vs. 20.77 ± 2.61, respectively; p = 0.01), and the second one was history of need of visual correction in all siblings (29.1 vs. 17.4% respectively; p = 0.04). Reading time, computer use, exercise time, overweight/obesity, having parents or one sibling who needs visual correction were similar between groups.  Conclusions: In this group of medical students, the prevalence of myopia based on a refraction without cycloplegia is higher compared to other demographic groups of the Americas, and the only associated risk factors were age and need of visual correction in all siblings.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Miopía]]></kwd>
<kwd lng="es"><![CDATA[Prevalencia]]></kwd>
<kwd lng="es"><![CDATA[Factores de riesgo]]></kwd>
<kwd lng="es"><![CDATA[Estudiantes de medicina]]></kwd>
<kwd lng="en"><![CDATA[Myopia]]></kwd>
<kwd lng="en"><![CDATA[Prevalence]]></kwd>
<kwd lng="en"><![CDATA[Risk factors]]></kwd>
<kwd lng="en"><![CDATA[Medical students]]></kwd>
</kwd-group>
</article-meta>
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