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ArticleGraefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie2023

Influence of a multifocal intraocular lens centration and eye angles on light distortion and ocular scatter index.

Joaquín Fernández, Noemí Burguera, Carlos Rocha-de-Lossada, Rahul Rachwani-Anil, Manuel Rodríguez-Vallejo

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In one paragraph

Article in Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

10 citing papers in PubMed.

  1. Article
  2. Review
  3. Association of intraocular lens tilt and decentration with visual acuity using SS-OCT-based analysis.Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie · 2025
    Article
  4. Observational
  5. The predictive value of the orientation and offset of angle α and angle κ for visual outcomes after trifocal intraocular lens implantation in an Asian cohort.Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie · 2025
    Observational
  6. Article
  7. Article
  8. Review
  9. Article
  10. Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

5 authors.

Joaquín FernándezQvision, Department of Ophthalmology, VITHAS Almería Hospital, 04120, Almería, Spain.
Noemí BurgueraQvision, Department of Ophthalmology, VITHAS Almería Hospital, 04120, Almería, Spain.
Carlos Rocha-de-LossadaQvision, Department of Ophthalmology, VITHAS Almería Hospital, 04120, Almería, Spain.
Rahul Rachwani-AnilHospital Norte de Málaga, Avenida Poeta Muñoz Rojas, S/N, Antequera, 29200, Málaga, Spain.
Manuel Rodríguez-VallejoQvision, Department of Ophthalmology, VITHAS Almería Hospital, 04120, Almería, Spain. manuelrodriguezid@qvision.es.ORCID http://orcid.org/0000-0001-5466-875X

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeTo assess how eye axes and multifocal intraocular lens (MIOL) centration may impact the light distortion index (LDI) and ocular scatter index (OSI).

methodsFifty-eight subjects implanted with the trifocal MIOL Q-Flex M 640PM or Liberty 677MY (Medicontur) were included in this retrospective analysis. The following variables were collected with the Pentacam Wave (Oculus) considering the vertex normal as the coordinates center: chord-mu to the center of the pupil, chord-alpha to the geometrical center of the cornea, and chord-MIOL to the center of the diffractive ring. These measurements were correlated with OSI (HD Analyzer, Visiometrics) and LDI (light distortion analyzer, CEORLab).

resultsChord-MIOL centroid was 0.12 mm at 62°, chord-mu was 0.09 mm at 174°, and chord-alpha was 0.38 mm at 188°. A relationship was found between OSI and LDI, rho = 0.58, p < 0.0005). No relationships were found between chord-mu or chord-alpha and the LDI or OSI, neither for the total magnitude, nor the decomposition in orthogonal components (p > 0.05). The LDI was significantly correlated with the temporal centration of the MIOL versus the vertex normal (rho = 0.32, p = 0.02).

conclusionsAs opposed to what has been previously described, the temporal centration of the MIOL was related to a decrease in the LDI. Future studies with extreme values of the included variables are required to establish cut-offs for considering these variables as exclusion criteria in the implantation of a MIOL.

Indexed as

CataractLens Implantation, IntraocularMultifocal Intraocular LensesAgedFemaleHumansMaleMiddle AgedRetrospective StudiesVisual AcuityAlphaChord-alphaChord-muKappaLight distortion indexMultifocal intraocular lensesOcular scatter index

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.