<?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>0864-2176</journal-id>
<journal-title><![CDATA[Revista Cubana de Oftalmología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cubana Oftalmol]]></abbrev-journal-title>
<issn>0864-2176</issn>
<publisher>
<publisher-name><![CDATA[Editorial Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0864-21762020000100004</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Características de la córnea donante mediante microscopia endotelial]]></article-title>
<article-title xml:lang="en"><![CDATA[Donor cornea characterization by endothelial microscopy]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castillo Pérez]]></surname>
<given-names><![CDATA[Alexeide de la C.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez Parra]]></surname>
<given-names><![CDATA[Zaadia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Noriega Martínez]]></surname>
<given-names><![CDATA[Justo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jareño Ochoa]]></surname>
<given-names><![CDATA[Madelyn]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Benítez Merino]]></surname>
<given-names><![CDATA[María del Carmen]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García Martninez]]></surname>
<given-names><![CDATA[Justino]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Cubano de Oftalmología "Ramón Pando Ferrer"  ]]></institution>
<addr-line><![CDATA[La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2020</year>
</pub-date>
<volume>33</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0864-21762020000100004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0864-21762020000100004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0864-21762020000100004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Objetivo:  Determinar las características del endotelio corneal mediante microscopia endotelial.  Métodos:  Se realizó un estudio descriptivo y retrospectivo en córneas donantes del banco de ojos del Instituto Cubano de Oftalmología &#8220;Ramón Pando Ferrer&#8221; en el período de enero a junio del año 2019. La muestra estuvo conformada por 224 córneas donantes. Las variables del estudio fueron: edad, cirugías previas, gerontoxón, pterigion, defectos epiteliales, infiltrado corneal, opacidad corneal, edema, pigmentos endoteliales, guttas, desprendimiento de la Descemet, densidad celular, hexagonalidad y polimegatismo.  Resultados:  El gerontoxon fue el hallazgo más frecuente (56,69 %); la densidad celular media fue de 2 501 cel/mm2; el coeficiente de variación medio fue 43,32 y la hexagonalidad media 50,02. La densidad celular endotelial entre 2 000 y 2 500 cel/mm2 fue más frecuente entre 60 y 79 años de edad (76,72 %), mientras que entre 20 y 29 años todas las córneas donantes presentaron una densidad endotelial mayor de 2 500 cel/mm2.  Conclusiones:  En el examen biomicroscópico de la córnea donante fue más frecuente el gerontoxon. Por microscopia endotelial la mayoría de las córneas fueron aptas para trasplante corneal. Un endotelio corneal con densidad celular mayor de 2 500 cel/mm2 no es exclusivo de córneas con menos de 60 años de edad.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Objective:  Determine the characteristics of the corneal endothelium by endothelial microscopy.  Methods:  A retrospective descriptive study was conducted of donor corneas from the eye bank of Ramón Pando Ferrer Cuban Institute of Ophthalmology from January to June 2019. The sample was 224 donor corneas. The variables analyzed were age, previous surgery, gerontoxon, pterygium, epithelial defects, corneal infiltrate, corneal opacity, edema, endothelial pigments, guttae, Descemet's membrane detachment, cell density, hexagonality and polymegethism.  Results:  Gerontoxon was the most common finding (56.69%), mean cell density was 2 501 cell/mm2, mean variation coefficient was 43.32 and mean hexagonality was 50.02. Endothelial cell density from 2 000 to 2 500 cell/mm2 was more common in the 60-79 years age group (76.72%), whereas in the 20-29 years age group all the donor corneas had an endothelial density above 2 500 cell/mm2.  Conclusions:  Gerontoxon was the most common finding in the biomicroscopic examination of the cornea. Endothelial microscopy found that most corneas were suitable for corneal transplantation. A corneal endothelium with a cell density above 2 500 cell/mm2 is not exclusive of corneas under 60 years of age.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Córnea donante]]></kwd>
<kwd lng="es"><![CDATA[características biomicroscópicas]]></kwd>
<kwd lng="es"><![CDATA[densidad endotelial]]></kwd>
<kwd lng="en"><![CDATA[Donor cornea]]></kwd>
<kwd lng="en"><![CDATA[biomicroscopic characteristics]]></kwd>
<kwd lng="en"><![CDATA[endothelial density]]></kwd>
</kwd-group>
</article-meta>
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