Evidence map›Paper›PMID 34952916›Full record

ArticleScientific reports2021

Electron microscopy analysis of femtosecond laser-assisted capsulotomy before and after lens fragmentation.

Wolfgang J Mayer, Andreas Ohlmann, Anna Schuh, Siegfried Priglinger, Thomas Kohnen, Mehdi Shajari

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
0.4field-weighted citation impact, top 39% of its field
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

4 citing papers in PubMed, 5 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 2 institutions in 1 country.

Wolfgang J MayerDepartment of Ophthalmology, University Eye Hospital, Ludwig-Maximilians-University, Mathildenstr. 8, 80336, Munich, Germany. wolfgang.j.mayer@med.lmu.de.
Andreas OhlmannDepartment of Ophthalmology, University Eye Hospital, Ludwig-Maximilians-University, Mathildenstr. 8, 80336, Munich, Germany.
Anna SchuhDepartment of Ophthalmology, University Eye Hospital, Ludwig-Maximilians-University, Mathildenstr. 8, 80336, Munich, Germany.
Siegfried PriglingerDepartment of Ophthalmology, University Eye Hospital, Ludwig-Maximilians-University, Mathildenstr. 8, 80336, Munich, Germany.
Thomas KohnenDepartment of Ophthalmology, Goethe-University, Frankfurt am Main, Germany.
Mehdi ShajariDepartment of Ophthalmology, University Eye Hospital, Ludwig-Maximilians-University, Mathildenstr. 8, 80336, Munich, Germany.
Ludwig-Maximilians-Universität München · DEGoethe University Frankfurt · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Studying anterior lens capsule cutting edge profiles from femtosecond laser-assisted capsulotomy procedures performed before and after lens fragmentation. Twenty eyes (10 patients) with age-related cataract underwent femtosecond laser-assisted surgery (FLACS) using the Ziemer Z8 platform. First step of laser surgery was either capsulotomy (group first) or fragmentation (group second). One eye of each patient was assigned randomly, the second eye treated with the different sequence of procedures. After anterior capsule removal, tissue was fixed in cacodylate-buffered solution and cutting-edge profiles were analysed using scanning electron microscopy (SEM). All cases had cataract grade 2 and 3 based on LOCS III grading. SEM analysis showed more smooth edges in the first group, especially in cases with pseudoexfoliation (P = 0.037); more tags and bridges and a significant number of staggered cutting patterns (7 out of 10 cases) in the second group. All cases evolved the same microgroves with "valleys and mountains " as signs of the photodisruption process. Femtosecond laser capsulotomy should be performed before lens fragmentation minimizing the rate of cutting errors. Especially in eyes with advanced cataract, as intracapsular pressure may increase due to lens fragmentation without anterior capsular opening.

Indexed as

CataractAgedAged, 80 and overAnterior Capsule of the LensCataract ExtractionFemaleHumansLaser TherapyLens, CrystallineMaleMiddle Aged

Identifiers

PMID34952916
PMCPMC8709839
OpenAlexW4200287440

What OpenQuestion holds

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Registered trials

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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.