<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-06-28T10:28:23Z</responseDate><request verb="GetRecord" identifier="oai:docta.ucm.es:20.500.14352/18557" metadataPrefix="marc">https://docta.ucm.es/rest/oai/request</request><GetRecord><record><header><identifier>oai:docta.ucm.es:20.500.14352/18557</identifier><datestamp>2023-08-27T10:58:16Z</datestamp><setSpec>com_20.500.14352_14</setSpec><setSpec>col_20.500.14352_15</setSpec></header><metadata><record xmlns="http://www.loc.gov/MARC21/slim" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://www.loc.gov/MARC21/slim http://www.loc.gov/standards/marcxml/schema/MARC21slim.xsd">
   <leader>00925njm 22002777a 4500</leader>
   <datafield ind2=" " ind1=" " tag="042">
      <subfield code="a">dc</subfield>
   </datafield>
   <datafield ind2=" " ind1=" " tag="720">
      <subfield code="a">Alfonso, José F.</subfield>
      <subfield code="e">author</subfield>
   </datafield>
   <datafield ind2=" " ind1=" " tag="720">
      <subfield code="a">Lisa Fernández, Carlos</subfield>
      <subfield code="e">author</subfield>
   </datafield>
   <datafield ind2=" " ind1=" " tag="720">
      <subfield code="a">Fernández-Vega Cueto, Luis</subfield>
      <subfield code="e">author</subfield>
   </datafield>
   <datafield ind2=" " ind1=" " tag="720">
      <subfield code="a">Poo López, Arancha</subfield>
      <subfield code="e">author</subfield>
   </datafield>
   <datafield ind2=" " ind1=" " tag="720">
      <subfield code="a">Madrid Costa, David</subfield>
      <subfield code="e">author</subfield>
   </datafield>
   <datafield ind2=" " ind1=" " tag="720">
      <subfield code="a">Fernández-Vega, Luis</subfield>
      <subfield code="e">author</subfield>
   </datafield>
   <datafield ind2=" " ind1=" " tag="260">
      <subfield code="c">2017-02</subfield>
   </datafield>
   <datafield ind2=" " ind1=" " tag="520">
      <subfield code="a">Purpose: To evaluate the efficacy, safety, predictability, and stability of sequential Ferrara intrastromal corneal ring segment (ICRS) and intraocular lens (IOL) implantation in patients with keratoconus and cataract.
Setting: Fernández-Vega Ophthalmological Institute, Oviedo, Spain.
Design: Retrospective case series.
Methods: This study comprised patients with keratoconus and cataract who had ICRS implantation followed 6 months later by IOL implantation. The uncorrected (UDVA) and corrected (CDVA) distance visual acuities and residual refractive errors, analyzed using vector analysis, were recorded preoperatively, 6 months after ICRS implantation, 6 months after IOL implantation, and 3 years and 5 years thereafter.
Results: Seventy eyes of 47 patients were studied. The mean UDVA was 1.08 logMAR ± 0.24 (SD) preoperatively, 0.95 ± 0.31 logMAR 6 months after ICRS implantation (P = .03), and 0.44 ± 0.29 logMAR 6 months after IOL implantation (P &lt; .0001). The mean CDVA changed from 0.35 ± 0.23 logMAR before surgery to 0.28 ± 0.22 logMAR 6 months after ICRS implantation (P &lt; .0001) and to 0.11 ± 0.16 logMAR 6 months after IOL implantation (P &lt; .0001). The UDVA and CDVA were stable over the period after the second procedure (P > .05). The spherical equivalent (SE) and the refractive cylinder declined steeply after IOL implantation (P &lt; .001) and then were stable (P > .05).
Conclusion: Sequential ICRS and IOL implantation provided good visual and refractive outcomes and was an effective, safe, predictable, and stable procedure for the treatment of patients with keratoconus and cataract.</subfield>
   </datafield>
   <datafield ind1="8" ind2=" " tag="024">
      <subfield code="a">1873-4502</subfield>
   </datafield>
   <datafield ind1="8" ind2=" " tag="024">
      <subfield code="a">10.1016/j.jcrs.2016.11.044</subfield>
   </datafield>
   <datafield ind1="8" ind2=" " tag="024">
      <subfield code="a">https://hdl.handle.net/20.500.14352/18557</subfield>
   </datafield>
   <datafield ind1="8" ind2=" " tag="024">
      <subfield code="a">http://dx.doi.org/10.1016/j.jcrs.2016.11.044</subfield>
   </datafield>
   <datafield ind1="8" ind2=" " tag="024">
      <subfield code="a">https://www.sciencedirect.com/science/article/pii/S0886335017300172#!</subfield>
   </datafield>
   <datafield ind2="0" ind1="0" tag="245">
      <subfield code="a">Sequential intrastromal corneal ring segment and monofocal intraocular lens implantation for keratoconus and cataract: Long-term follow-up</subfield>
   </datafield>
</record></metadata></record></GetRecord></OAI-PMH>