<?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>S2604-12272021000500203</article-id>
<article-id pub-id-type="doi">10.24875/rmo.m21000185</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Frecuencia de miopía en adultos de la Ciudad de México: resultados de una campaña de salud visual]]></article-title>
<article-title xml:lang="en"><![CDATA[Frequency of myopia in adults in Mexico City: results of a visual health campaign]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Milán-Castillo]]></surname>
<given-names><![CDATA[Roberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Domínguez-Dueñas]]></surname>
<given-names><![CDATA[Francisca]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Molina-Lespron]]></surname>
<given-names><![CDATA[Aleyda]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra Servicio de Oftalmología ]]></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>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>10</month>
<year>2021</year>
</pub-date>
<volume>95</volume>
<numero>5</numero>
<fpage>203</fpage>
<lpage>208</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2604-12272021000500203&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2604-12272021000500203&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2604-12272021000500203&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo: Estimar la frecuencia de miopía en una población de adultos en la Ciudad de México.  Método: Fue un estudio retrospectivo, transversal y descriptivo. Se calcularon los datos del equivalente esférico del ojo derecho de los pacientes examinados a partir de la refracción sin cicloplejia, determinada por medio de un autoqueratorrefractómetro durante la campaña de salud ocular que se llevó a cabo en el Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra de enero a marzo de 2018.  Resultados: La frecuencia de miopía encontrada en los 449 sujetos analizados fue del 45.21%, tomando como punto de corte un equivalente esférico &#8804; &#8211;0.50 dioptrías; de ellos, el 39.43% tuvieron miopía leve (&gt; &#8211;6.00 dioptrías) y el 5.79% miopía alta (&#8804; &#8211;6.00 dioptrías de equivalente esférico). Por otra parte, solo 4 de los 449 pacientes examinados presentaron datos clínicos de miopía patológica, conformando el 0.8% de la muestra total. De los participantes restantes el 28.73% fueron clasificados como emétropes y el 26.05% como hipermétropes con un equivalente esférico &#8805; 0.50 dioptrías.  Conclusiones: La frecuencia de miopía encontrada en nuestro estudio es alta y se asemeja a la de reportes previos en población mexicana infantil y de adultos jóvenes, así como a la de algunas naciones asiáticas donde la miopía es un problema de salud pública.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Purpose: To estimate the frequency of myopia in an adult population in Mexico City.  Methods: Retrospective, cross-sectional and descriptive study. The spherical equivalent of the right eye was calculated from the refraction without cycloplegia obtained with an auto kerato-refractometer in patients examined during an ophthalmic health campaign carried out at the Instituto Nacional de Rehabilitación "Luis Guillermo Ibarra Ibarra" from January to March 2018.  Results: We found a frequency of myopia of 45.21% with a cut-off value of &#8804; -0.5 diopters of spherical equivalent in the 449 participants. Of these, 39.43% had mild myopia &gt; -6.00 diopters, and 5.79% had high myopia &#8804; -6.00 diopters of spherical equivalent. On the other hand, only 4 of the 449 examined patients had clinical signs of pathological myopia, making up 0.8% of the total sample. Of the remaining participants, 28.73% were classified as emmetropic and 26.05% as hyperopic, with a spherical equivalent &#8805; 0.50 diopters.  Conclusions: The frequency of myopia observed in our study is high and similar to that informed in previous reports in Mexican children and young adults, just as in some nations in Asia where myopia is a public health problem.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Miopía]]></kwd>
<kwd lng="es"><![CDATA[Error refractivo]]></kwd>
<kwd lng="es"><![CDATA[Frecuencia]]></kwd>
<kwd lng="es"><![CDATA[Ciudad de México]]></kwd>
<kwd lng="es"><![CDATA[Adultos]]></kwd>
<kwd lng="en"><![CDATA[Myopia]]></kwd>
<kwd lng="en"><![CDATA[Refractive error]]></kwd>
<kwd lng="en"><![CDATA[Frequency]]></kwd>
<kwd lng="en"><![CDATA[Mexico City]]></kwd>
<kwd lng="en"><![CDATA[Adults]]></kwd>
</kwd-group>
</article-meta>
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