<?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>S0864-21762019000100010</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Relación entre la clasificación subjetiva de la opacidad del cristalino y la calidad visual]]></article-title>
<article-title xml:lang="en"><![CDATA[Relationship between subjective lens opacity classification and visual quality]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barroso Lorenzo]]></surname>
<given-names><![CDATA[Raúl]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Montes Guzmán]]></surname>
<given-names><![CDATA[Luis Johannes]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez Castillo]]></surname>
<given-names><![CDATA[Marietta]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramos Pereira]]></surname>
<given-names><![CDATA[Yanay]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Cubano de Oftalmología &#8220;Ramón Pando Ferrer&#8221;  ]]></institution>
<addr-line><![CDATA[La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2019</year>
</pub-date>
<volume>32</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0864-21762019000100010&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0864-21762019000100010&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0864-21762019000100010&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Objetivo: Determinar la relación entre la clasificación subjetiva de la opacidad del cristalino por LOCS III, la agudeza visual mejor corregida y el análisis objetivo de la calidad visual por aberrometría.  Métodos: En este estudio observacional, descriptivo y transversal se realizó la categorización con LOCS III de cataratas seniles en paciente con agudeza visual mayor a 0,7 y una medición objetiva de la calidad visual por análisis de frente de onda en pacientes que asistieron al Centro de Microcirugía Ocular del Instituto Cubano de Oftalmología &#8220;Ramón Pando Ferrer&#8221; entre junio del año 2016 y diciembre de 2017.  Resultados: Las cataratas corticales estuvieron relacionadas con una gran magnitud de aberraciones ópticas de alto orden, principalmente coma y trefoil. También se encontró un valor significativo de la aberración esférica en el grupo de cataratas nucleares. Las cataratas del grupo subcapsular posterior no mostraron un tipo de aberración predominante. No se pudo obtener la relación entre la magnitud de la catarata catalogada por LOCS III y los indicadores de calidad visual o la agudeza visual mejor corregida porque el tamaño de la muestra fue insuficiente para relacionarlo con el gran número de categorías en LOCS III.  Conclusiones:  En los pacientes con catarata senil y buena agudeza visual, el tipo y el grado de opacidad categorizada por LOCS III condiciona el tipo y la magnitud de las aberraciones, y por tanto el deterioro de la calidad visual.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Objective: Determine the relationship between subjective lens opacity classification by LOCS III, best corrected visual acuity and objective visual quality analysis by aberrometry.  Methods: A cross-sectional observational descriptive study was conducted based on LOCS III to classify senile cataracts in patients with visual acuity above 0.7 and objective visual quality measurement by wavefront analysis attending the Ocular Microsurgery Center of Ramón Pando Ferrer Cuban Institute of Ophthalmology from June 2016 to December 2017.  Results: Cortical cataracts were associated to a large number of higher-order ocular aberrations, mainly coma and trefoil. Significant spherical aberration values were also found in the nuclear cataract group. Cataracts in the posterior subcapsular group did not display a prevailing aberration type. It was not possible to determine the relationship between the magnitude of the cataract as classified by LOCS III and visual quality indicators or best corrected visual acuity, because sample size was insufficient to be related to the large number of categories in LOCS III.  Conclusions:  In patients with senile cataract and good visual acuity, the type and degree of opacity as classified by LOCS III determines the type and magnitude of the aberrations, and thus the deterioration of visual quality.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Catarata]]></kwd>
<kwd lng="es"><![CDATA[frente de onda]]></kwd>
<kwd lng="es"><![CDATA[aberrometría]]></kwd>
<kwd lng="en"><![CDATA[Cataract]]></kwd>
<kwd lng="en"><![CDATA[wavefront]]></kwd>
<kwd lng="en"><![CDATA[aberrometry]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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