<?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>S2604-12272022000200064</article-id>
<article-id pub-id-type="doi">10.24875/rmo.m22000222</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Análisis de los resultados visuales y funcionales tras la implantación de LIO tóricas mediante marcador VERION&#8482; manual y digital]]></article-title>
<article-title xml:lang="en"><![CDATA[Analysis of visual and functional results after implantation of toric IOLs using manual and digital VERION&#8482; marker]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Almasri]]></surname>
<given-names><![CDATA[Alnoelaty]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Stebnev]]></surname>
<given-names><![CDATA[Vadim S.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Ministry of Health of the Russian Federation Samara State Medical University ]]></institution>
<addr-line><![CDATA[Samara ]]></addr-line>
<country>Federación Rusa</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2022</year>
</pub-date>
<volume>96</volume>
<numero>2</numero>
<fpage>64</fpage>
<lpage>70</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2604-12272022000200064&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2604-12272022000200064&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2604-12272022000200064&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Objetivo: Comparar los resultados funcionales y visuales de los pacientes después del implante de una lente intraocular (LIO) tórica durante la cirugía de cataratas mediante marcaje manual o marcaje digital para guía intraoperatoria.  Método: Los participantes incluidos en el estudio (100 pacientes, 120 ojos), con cataratas y astigmatismo corneal de 1,00 D-5,00 D, se dividieron en dos grupos: uno (52 pacientes, 60 ojos) de marcaje manual y otro (48 pacientes, 60 ojos) de marcaje digital. En el preoperatorio se evaluaron la agudeza visual a distancia no corregida (AVD), la agudeza visual a distancia corregida (AVDC) y el astigmatismo corneal. Mediante la calculadora Barrett Toric se midió la potencia de LIO y la alineación de ejes. Los ojos del primer grupo se marcaron mediante Bubble marker y Mendez ring, y los del segundo con VERION&#8482; (Alcon, Fort Worth, Texas, Estados Unidos). Se midieron la AVD, la AVDC, el cilindro refractivo residual y la desalineación de LIO (sistema de trazas I, Tracey technologies) a los 1, 3 y 6 meses.  Resultados: El error cilíndrico posoperatorio promedio fue de 0.4 ± 0.32 D en el primer grupo, mientras que en el segundo fue de 0.22 ± 0.29 (p = 0.03). En el posoperatorio se alcanzó un astigmatismo residual de &gt; 0.5 D y &#8805; 1.0 D en el 70% (42 ojos, 40 pacientes) y el 81.6% (49 ojos, 48 pacientes) en el primer grupo, mientras que fue &gt; 0,5 D y &gt; 1,0 D en el 68.3% (41 ojos, 40 pacientes) y el 96.6% (58 ojos, 47 pacientes) en el segundo, a los 6 meses. La desalineación de LIO tórica fue de 4.4+ &#8722;2.12° en el primer grupo, y de 3.7+ &#8722;2.3° en el segundo (p = 0.38).  Conclusiones: Ambos métodos de marcaje demuestran guías casi igual de efectivas para la alineación de LIO tórica, con mayor precisión mediante marcaje digital.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Objective: The objective of the study is to compare the functional and visual results of patients after implantation of toric intraocular lens during cataract surgery using manual marking versus digital marking for intraoperative guidance.  Methods: Participants (100 patients, 120 eyes) with cataract and corneal astigmatism of 1.00 D-5.00 D were included in our study. They were categorized into two different groups. The first group (52 patients, 60 eyes) was manual marking group #1, and the second group (48 patients, 60 eyes) was digital marking group #2. During the preoperative period, the uncorrected distance visual acuity (UDVA), corrected distance visual acuity (CDVA), and corneal astigmatism were assessed. Using Barette toric calculator, both the IOL power and axis alignment were measured. The marking of the eyes was performed with bubble marker and Mendez ring in group #1 while the VERION system (Alcon, Fort Worth, TX, United States) was used in group #2. The UDVA, CDVA, residual refractive cylinder, and IOL misalignment were all measured (I trace system, Tracey technologies, Houston, TX, United States) at 1, 3, and 6 months.  Results: The mean postoperative cylindrical error was 0.4 ± 0.32 D in group #1, and 0.22 ± 0.29 in group #2 (p = 0.03). At 6 months, postoperatively, residual astigmatism of &gt; 0.5 D and &#8805; 1.0 D was achieved in 70% (42 eyes, 40 patients) and 81.6% (49 eyes,48 patients) of the patients from the group #1 compared to &gt; 0.5 D and &gt;1.0 D in 68.3% (41 eyes,40 patients) and 96.6% (58 eyes, 47 patients) of the patients from group #2. Toric IOL misalignment was 4.4 + &#8722;2.12° in group #1 compared to 3.7 + &#8722;2.3° in group #2 (p = 0.38).  Conclusion: Both marking methods proved nearly equally effective for the guidance of toric IOL alignment being digital marking more accurate.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Alineación]]></kwd>
<kwd lng="es"><![CDATA[Astigmatismo]]></kwd>
<kwd lng="es"><![CDATA[Lente intraocular tórica]]></kwd>
<kwd lng="es"><![CDATA[Resultados funcionales]]></kwd>
<kwd lng="es"><![CDATA[VERION&#8482;]]></kwd>
<kwd lng="en"><![CDATA[Alignment]]></kwd>
<kwd lng="en"><![CDATA[Astigmatism]]></kwd>
<kwd lng="en"><![CDATA[Functional outcomes]]></kwd>
<kwd lng="en"><![CDATA[Toric intraocular lens]]></kwd>
<kwd lng="en"><![CDATA[Verion]]></kwd>
</kwd-group>
</article-meta>
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