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Predictive factor and kappa angle analysis for visual satisfactions in patients with multifocal IOL implantation

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Predictive factor and kappa angle analysis for visual satisfactions in patients with multifocal IOL implantation

Auteurs : G. Prakash [Inde] ; D R Prakash [Inde] ; A. Agarwal [Inde] ; D A Kumar [Inde] ; A. Agarwal [Inde] ; S. Jacob [Inde]

Source :

Eye [ 0950-222X ] ; 2011.

RBID : PMC:3178249

Abstract

Purpose

To evaluate the visual acuity and quality-related satisfaction of patients implanted with a refractive design multifocal intraocular lens (IOL), and evaluate the factors predicting it including angle kappa.

Setting

Dr Agarwal's Eye Hospital and Eye Research Centre, Chennai.

Methods

In this prospective trial, 50 eyes of 44 consecutive patients were included. All patients underwent phacoemulsification with multifocal IOL implantation (Rezoom IOL, Abbott Medical Optics). The preoperative and postoperative assessment included slit lamp biomicroscopy, uncorrected visual acuity (UCVA), best-corrected visual acuity (BCVA) and kappa angle assessment. At 1 year, 37 patients (43 eyes), who finished follow-up, were asked to rate their symptoms on a graded questionnaire (0–5 for five queries).

Results

The decimal scores for UCVA and BCVA were 0.38±0.21 and 0.47±0.17 (preoperative), and 0.75±0.22 and 0.99±0.11 (postoperative), respectively. Symptom scores were haloes 0.98±1.7, glare 0.69±1.48, blurred distance 1.0±1.7, intermediate 1.34±1.6, near 1.06±1.8. On regression analysis haloes depended on angle kappa and distance UCVA (R²=0.26, P=0.029), and glare on angle kappa (R²=0.26, P=0.033). Poor satisfactions with distance, intermediate, and near vision were linked with distance UCVA (R²=0.17, P=2.3 × 10⁻⁴), distance UCVA (R²=0.1, P=0.04), and near UCVA (R²=0.12, P=0.03), respectively. The strongest predictor, however, for overall visual discomfort was distance UCVA (R²=0.1, P=0.04).

Conclusions

Our study suggests that there may be a role of misalignment between the visual and pupillary axis (angle kappa) in the occurrence of photic phenomenon after refractive multifocal IOL implantation.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3178249

DOI: 10.1038/eye.2011.150
PubMed: 21681216
PubMed Central: 3178249

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PMC:3178249

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<author><name sortKey="Prakash, G" sort="Prakash, G" uniqKey="Prakash G" first="G" last="Prakash">G. Prakash</name>
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<country xml:lang="fr">Inde</country>
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<author><name sortKey="Prakash, D R" sort="Prakash, D R" uniqKey="Prakash D" first="D R" last="Prakash">D R Prakash</name>
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<author><name sortKey="Kumar, D A" sort="Kumar, D A" uniqKey="Kumar D" first="D A" last="Kumar">D A Kumar</name>
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<author><name sortKey="Jacob, S" sort="Jacob, S" uniqKey="Jacob S" first="S" last="Jacob">S. Jacob</name>
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<front><div type="abstract" xml:lang="en"><sec><title>Purpose</title>
<p>To evaluate the visual acuity and quality-related satisfaction of patients implanted with a refractive design multifocal intraocular lens (IOL), and evaluate the factors predicting it including angle kappa.</p>
</sec>
<sec><title>Setting</title>
<p>Dr Agarwal's Eye Hospital and Eye Research Centre, Chennai.</p>
</sec>
<sec sec-type="methods"><title>Methods</title>
<p>In this prospective trial, 50 eyes of 44 consecutive patients were included. All patients underwent phacoemulsification with multifocal IOL implantation (Rezoom IOL, Abbott Medical Optics). The preoperative and postoperative assessment included slit lamp biomicroscopy, uncorrected visual acuity (UCVA), best-corrected visual acuity (BCVA) and kappa angle assessment. At 1 year, 37 patients (43 eyes), who finished follow-up, were asked to rate their symptoms on a graded questionnaire (0–5 for five queries).</p>
</sec>
<sec><title>Results</title>
<p>The decimal scores for UCVA and BCVA were 0.38±0.21 and 0.47±0.17 (preoperative), and 0.75±0.22 and 0.99±0.11 (postoperative), respectively. Symptom scores were haloes 0.98±1.7, glare 0.69±1.48, blurred distance 1.0±1.7, intermediate 1.34±1.6, near 1.06±1.8. On regression analysis haloes depended on angle kappa and distance UCVA (<italic>R</italic>
<sup>2</sup>
=0.26, <italic>P</italic>
=0.029), and glare on angle kappa (<italic>R</italic>
<sup>2</sup>
=0.26, <italic>P</italic>
=0.033). Poor satisfactions with distance, intermediate, and near vision were linked with distance UCVA (<italic>R</italic>
<sup>2</sup>
=0.17, <italic>P</italic>
=2.3 × 10<sup>−4</sup>
), distance UCVA (<italic>R</italic>
<sup>2</sup>
=0.1, <italic>P</italic>
=0.04), and near UCVA (<italic>R</italic>
<sup>2</sup>
=0.12, <italic>P</italic>
=0.03), respectively. The strongest predictor, however, for overall visual discomfort was distance UCVA (<italic>R</italic>
<sup>2</sup>
=0.1, <italic>P</italic>
=0.04).</p>
</sec>
<sec><title>Conclusions</title>
<p>Our study suggests that there may be a role of misalignment between the visual and pupillary axis (angle kappa) in the occurrence of photic phenomenon after refractive multifocal IOL implantation.</p>
</sec>
</div>
</front>
</TEI>
<pmc article-type="other"><pmc-comment>The publisher of this article does not allow downloading of the full text in XML form.</pmc-comment>
  <front><journal-meta><journal-id journal-id-type="nlm-ta">Eye (Lond)</journal-id>
<journal-title-group><journal-title>Eye</journal-title>
</journal-title-group>
<issn pub-type="ppub">0950-222X</issn>
<issn pub-type="epub">1476-5454</issn>
<publisher><publisher-name>Nature Publishing Group</publisher-name>
</publisher>
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<article-meta><article-id pub-id-type="pmid">21681216</article-id>
<article-id pub-id-type="pmc">3178249</article-id>
<article-id pub-id-type="pii">eye2011150</article-id>
<article-id pub-id-type="doi">10.1038/eye.2011.150</article-id>
<article-categories><subj-group subj-group-type="heading"><subject>Clinical Study</subject>
</subj-group>
</article-categories>
<title-group><article-title>Predictive factor and kappa angle analysis for visual satisfactions in patients with multifocal IOL implantation</article-title>
<alt-title alt-title-type="running">Analysis in patients with multifocal IOL implantation</alt-title>
</title-group>
<contrib-group><contrib contrib-type="author"><name><surname>Prakash</surname>
<given-names>G</given-names>
</name>
<xref ref-type="aff" rid="aff1">1</xref>
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<contrib contrib-type="author"><name><surname>Prakash</surname>
<given-names>D R</given-names>
</name>
<xref ref-type="aff" rid="aff1">1</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Agarwal</surname>
<given-names>A</given-names>
</name>
<xref ref-type="aff" rid="aff1">1</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Kumar</surname>
<given-names>D A</given-names>
</name>
<xref ref-type="aff" rid="aff1">1</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Agarwal</surname>
<given-names>A</given-names>
</name>
<xref ref-type="aff" rid="aff1">1</xref>
<xref ref-type="corresp" rid="caf1">*</xref>
</contrib>
<contrib contrib-type="author"><name><surname>Jacob</surname>
<given-names>S</given-names>
</name>
<xref ref-type="aff" rid="aff1">1</xref>
</contrib>
<aff id="aff1"><label>1</label>
<institution>Dr Agarwal's Eye Hospital and Eye Research Centre</institution>
, Chennai,<country>India</country>
</aff>
</contrib-group>
<author-notes><corresp id="caf1"><label>*</label>
<institution>Dr Agarwal's Eye Hospital and Eye Research Centre</institution>
, 19, Cathedral Road, Chennai 600086, Tamilnadu, <country>India</country>
. Tel: +91 44 2811 6233; Fax: +91 44 2811 5871. E-mail: <email>dragarwal@vsnl.com</email>
</corresp>
</author-notes>
<pub-date pub-type="ppub"><month>09</month>
<year>2011</year>
</pub-date>
<pub-date pub-type="epub"><day>17</day>
<month>06</month>
<year>2011</year>
</pub-date>
<volume>25</volume>
<issue>9</issue>
<fpage>1187</fpage>
<lpage>1193</lpage>
<history><date date-type="received"><day>08</day>
<month>10</month>
<year>2010</year>
</date>
<date date-type="rev-recd"><day>01</day>
<month>05</month>
<year>2011</year>
</date>
<date date-type="accepted"><day>01</day>
<month>05</month>
<year>2011</year>
</date>
</history>
<permissions><copyright-statement>Copyright © 2011 Royal College of Ophthalmologists</copyright-statement>
<copyright-year>2011</copyright-year>
<copyright-holder>Royal College of Ophthalmologists</copyright-holder>
</permissions>
<abstract><sec><title>Purpose</title>
<p>To evaluate the visual acuity and quality-related satisfaction of patients implanted with a refractive design multifocal intraocular lens (IOL), and evaluate the factors predicting it including angle kappa.</p>
</sec>
<sec><title>Setting</title>
<p>Dr Agarwal's Eye Hospital and Eye Research Centre, Chennai.</p>
</sec>
<sec sec-type="methods"><title>Methods</title>
<p>In this prospective trial, 50 eyes of 44 consecutive patients were included. All patients underwent phacoemulsification with multifocal IOL implantation (Rezoom IOL, Abbott Medical Optics). The preoperative and postoperative assessment included slit lamp biomicroscopy, uncorrected visual acuity (UCVA), best-corrected visual acuity (BCVA) and kappa angle assessment. At 1 year, 37 patients (43 eyes), who finished follow-up, were asked to rate their symptoms on a graded questionnaire (0–5 for five queries).</p>
</sec>
<sec><title>Results</title>
<p>The decimal scores for UCVA and BCVA were 0.38±0.21 and 0.47±0.17 (preoperative), and 0.75±0.22 and 0.99±0.11 (postoperative), respectively. Symptom scores were haloes 0.98±1.7, glare 0.69±1.48, blurred distance 1.0±1.7, intermediate 1.34±1.6, near 1.06±1.8. On regression analysis haloes depended on angle kappa and distance UCVA (<italic>R</italic>
<sup>2</sup>
=0.26, <italic>P</italic>
=0.029), and glare on angle kappa (<italic>R</italic>
<sup>2</sup>
=0.26, <italic>P</italic>
=0.033). Poor satisfactions with distance, intermediate, and near vision were linked with distance UCVA (<italic>R</italic>
<sup>2</sup>
=0.17, <italic>P</italic>
=2.3 × 10<sup>−4</sup>
), distance UCVA (<italic>R</italic>
<sup>2</sup>
=0.1, <italic>P</italic>
=0.04), and near UCVA (<italic>R</italic>
<sup>2</sup>
=0.12, <italic>P</italic>
=0.03), respectively. The strongest predictor, however, for overall visual discomfort was distance UCVA (<italic>R</italic>
<sup>2</sup>
=0.1, <italic>P</italic>
=0.04).</p>
</sec>
<sec><title>Conclusions</title>
<p>Our study suggests that there may be a role of misalignment between the visual and pupillary axis (angle kappa) in the occurrence of photic phenomenon after refractive multifocal IOL implantation.</p>
</sec>
</abstract>
<kwd-group><kwd>multifocal intraocular lens</kwd>
<kwd>visual satisfaction</kwd>
<kwd>kappa angle</kwd>
</kwd-group>
</article-meta>
</front>
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<affiliations><list><country><li>Inde</li>
</country>
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<name sortKey="Agarwal, A" sort="Agarwal, A" uniqKey="Agarwal A" first="A" last="Agarwal">A. Agarwal</name>
<name sortKey="Agarwal, A" sort="Agarwal, A" uniqKey="Agarwal A" first="A" last="Agarwal">A. Agarwal</name>
<name sortKey="Jacob, S" sort="Jacob, S" uniqKey="Jacob S" first="S" last="Jacob">S. Jacob</name>
<name sortKey="Kumar, D A" sort="Kumar, D A" uniqKey="Kumar D" first="D A" last="Kumar">D A Kumar</name>
<name sortKey="Prakash, D R" sort="Prakash, D R" uniqKey="Prakash D" first="D R" last="Prakash">D R Prakash</name>
</country>
</tree>
</affiliations>
</record>

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Predictive factor and kappa angle analysis for visual satisfactions in patients with multifocal IOL implantation

Predictive factor and kappa angle analysis for visual satisfactions in patients with multifocal IOL implantation

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Abstract

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